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Terra Part #PriceShips in
120 VPVC304 Stainless SteelFlush WallIncluded24.5"19.8"17" 2638-93 65876 $13,86710-15 Days2
120 VPVC316L Stainless SteelFlush WallOptional24"24"24" 2635-10B-2-316 66686 $13,6721-3 Days3
120 VPVC316L Stainless SteelFlush WallOptional24"36"24" 2635-11B-2-316 66688 $14,11410-15 Days4
120 VPVC316L Stainless SteelFlush WallOptional36"36"24" 2635-12B-2-316 66690 $15,06710-15 Days5
120 VPVC316L Stainless SteelFlush WallOptional24"24"36" 2635-13B-2-316 66692 $14,78110-15 Days6
120 VPVC316L Stainless SteelFlush WallOptional24"24"48" 2635-14B-2-316 66694 $16,0161-3 Days7
120 VPVC316L Stainless SteelFlush WallOptional36"36"36" 2635-15B-2-316 66696 $19,31910-15 Days8
120 VPVC316L Stainless SteelFlush WallOptional36"36"48" 2635-16B-2-316 66698 $20,04810-15 Days9
120 VPVC316L Stainless SteelFlush FloorOptional24"24"36" 2635-17B-2-316 66700 $17,54910-15 Days10
120 VPVC316L Stainless SteelFlush FloorOptional36"36"36" 2635-18B-2-316 66702 $21,11510-15 Days11
120 VPVC316L Stainless SteelFlush FloorOptional36"36"48" 2635-19B-2-316 66704 $22,7691-3 Days12
120 VPVC316L Stainless SteelFlush WallOptional30"30"30" 2635-21B-2-316 66706 $14,97410-15 Days13
120 VPVC316L Stainless SteelCenter WallOptional24"24"24" 2635-10B-2-316-CM 66888 $13,67210-15 Days14
120 VPVC316L Stainless SteelCenter WallOptional24"36"24" 2635-11B-2-316-CM 66890 $14,11410-15 Days15
120 VPVC316L Stainless SteelCenter WallOptional36"36"24" 2635-12B-2-316-CM 66892 $15,06810-15 Days16
120 VPVC316L Stainless SteelCenter WallOptional24"24"36" 2635-13B-2-316-CM 66894 $14,78110-15 Days17
120 VPVC316L Stainless SteelCenter WallOptional24"24"48" 2635-14B-2-316-CM 66896 $16,01610-15 Days18
120 VPVC316L Stainless SteelCenter WallOptional30"30"30" 2635-21B-2-316-CM 66898 $14,97410-15 Days19
120 VPVC316L Stainless SteelCenter WallOptional36"36"36" 2635-15B-2-316-CM 66900 $19,31910-15 Days20
120 VPVC316L Stainless SteelCenter WallOptional36"36"48" 2635-16B-2-316-CM 66902 $20,04810-15 Days21
120 VPVC316L Stainless SteelCenter FloorOptional24"24"36" 2635-17B-2-316-CM 66904 $17,54910-15 Days22
120 VPVC316L Stainless SteelCenter FloorOptional36"36"36" 2635-18B-2-316-CM 66906 $21,11510-15 Days23
120 VPVC316L Stainless SteelCenter FloorOptional36"36"48" 2635-19B-2-316-CM 66908 $22,76910-15 Days24
120 VPVC316L Stainless SteelFlush WallOptional18"18"18" 2635-07B-2-316 73480 $11,64210-15 Days25
120 VPVC316L Stainless SteelCenter WallOptional18"18"18" 2635-07B-2-316-CM 73554 $11,63510-15 Days26
120 VPVC316L Stainless SteelFlush WallOptional18"18"24" 2635-08B-2-316 78495 $12,27610-15 Days27
120 VTempered Glass316L Stainless SteelFlush WallOptional18"18"18" 2635-07B-2-316-GD 78651 $12,84215-20 Days28
Window Material
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Product Details

• Electronic cleanroom passthrough with Smart® Control System provides advanced control and monitoring

• Obstruction free interior, lipless edges, radius corners, continuous welds for strict disinfection

• Quick and easy flush-mount design is hassle-free and installs in under 5 minutes (see video)

• Hidden electronic interlock allows only one door to open at a time to prevent cross-contamination

• Countless add-on capabilities: automatic doors, access security systems, UV disinfection, and more

• Cleanroom pass throughs reduce foot traffic, improve cleanliness, safety, productivity, and much more.

Chamber Design:

• Designed for sterile, regulated bio-pharmaceutical applications.

Electronic door interlock allows for unique, custom door swing configurations such as 90 degree corners (L-shape chambers), 3-door designs (T-shape chambers), 4-door designs (X-shape chambers), and more.

All-316L stainless steel surfaces with enhanced corrosion resistance stand up to harsher cleaning agents and withstand degradation from bleach-based disinfectants.

Continuous welds with coved radius corners and lip-less edges eliminate hard-to-clean cracks and crevices where contaminants can collect.

Double-wall construction greatly increases rigidity and durability of the pass through chamber to facilitate installation and prevent warping on larger chambers.

Flush-mount design removes dust accumulating surfaces inside the cleanroom.

• Center-mount variation allows chamber to be centered in the cleanroom wall.

• Floor-mounted design includes removable ramps to support transfer of carts and heavy equipment between controlled spaces.

• Optional dual BioSafe® stainless steel racks easily remove for cleaning or sterilizing and are reversible to allow slide-out motion in either direction.

Quick and Clean Installation:

Innovative fastening system clamps to a variety of wall thicknesses without penetrating or damaging the finished surrounding wall.

• The mounting frame is covered on both sides for an easy-to-clean finish with no visible fasteners or screws.

• Easy-to-install mounting system also allows the entire passthrough chamber to be seamlessly removed and reinstalled within minutes, without damaging the surrounding wall.

Electronic Automatic Door Interlock:

• Hidden Smart® control panel is mounted outside the transfer chamber (between double-wall) for easy-to-clean obstruction-free chamber interior.

• Electronic interlock with Smart® Control System provides visual and audible door status alerts to prevent door damage that results when users exert excess force on an engaged interlock:

Green light indicates both doors available for use.

Red light and dual-side remote chimes indicate a door is open and interlock engaged.

Door Design:

• Access doors with 316L stainless steel reinforced frames extend passthrough chamber's service life and provide a tight seal.

Santoprene® “e”-shape non-outgassing rubber gasket firmly compresses to eliminate leaks. The one-piece resilient rubber gasket maintains its shape after compression and won't flatten, warp, crack, or degrade like ordinary foam gasket. Gasket is also mechanically attached to the door frame to avoid adhesive failure common with gasket tapes.

Doors are leak-rated by UL for tight seal to maintain cleanroom pressure gradients.

• Heavy-duty stainless steel lift latches included to minimize scratching, corrosion and contamination resulting over time that can occur with chrome-plated latches.

• Sturdy "lift-off" stainless steel hinges are welded to the door frame and chamber. They are detachable to allow doors to easily lift off for trouble-free replacement or more thorough cleaning/decontamination.

• Order replacement door(s) to avoid critical operation delays should a door be damaged and require immediate replacement.


• (1) Main power cord, to be hardwired to power supply onsite per local code by a licensed electrician.

• (1) Automatic electronic interlock.

• (2) Plug-in chimes (one for each side of the passthrough).

• Mounting bracket system with cover plates. Standard mounting system accommodates 4”-6” wall thickness. Specify wall thickness at time of order.

Marks & Listings: UL, ULC

Smart® CleanMount® Pass-Through Chamber

Standard Features

  • A Electronic interlock
    Electronic interlock isolated outside the transfer chamber for easy chamber cleaning
  • B LED status bar
    LED status bar provides in-use alerts to operators on both sides
  • C Replacable doors
    Doors can be lifted off for easy cleaning and sterilizing
  • D Easy to install
    Flush-mount wall bracket requires no fasteners or caulking - installs in under five minutes!
  • E Rounded corners
    Rounded corners with no cracks or lips; ideal for strict cleaning protocol and delicate parts transfer
  • F 316L stainless steel
    316L stainless steel chamber and latches eliminate surface irregularities and minimize contamination buildup
  • G Stainless Steel Door Frame
    Stainless steel-reinforced, removable doors with static-dissipative PVC viewing windows
  • H One-Piece Gasket
    One-piece, heat-formed, non-adhesive gaskets won’t creep or outgas

Smart® CleanMount® Pass-Through Chambers

  • Smart® Pass-Through Chambers by Terra Universal
  • Cleanroom passthrough chamber with 3 interlocking doors for USP 800 hazardous compounding Smart® Pass-Through with “T” Shape 3-Door Design for USP 800 Hazardous Compounding
  • Refrigerated Smart passthrough chamber with 90 degree corner for pharmacy cleanroom Refrigerated Smart® Passthrough with 90 Degree Corner to Transfer Active Pharmaceutical Ingredients
  • Smart Cleanroom Pass-Through with 90 Degree Corner and HEPA Filtration Smart Cleanroom Pass-Through with 90 Degree Corner and HEPA Filtration
  • this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination Hands-Free, Automatic Pass-Through Door
  • Smart Cleanroom Pass-Through Chamber with Models Smart Pass-Through Chamber, 24"W x 24"D x 24"H
  • Fire-Rated Passthrough Door Window with Model Fire-Rated Passthrough Chamber with Window
  • Automatic Door with Touchless Sensor Automatic Door with Touchless Sensor
  • Vertically stacked Smart passthrough chambers for stem cell lab Vertically Stacked Smart® Passthrough Chambers with HEPA Filtration on Top for Stem Cell Lab
this video shows how the hands-free operation of the automatic pass-through door minimizes the potential for touch contamination

Features & Benefits

Features and Benefits

CleanMount Basics

CleanMount Smart Pass-Through Chamber

Don't risk operational delays or cleanroom shutdown because of a damaged door!
Terra's pass-through chambers last indefinitely, much longer than our standard product revision cycle. Pass-Through doors, however, are subject to damage, and ordering a legacy replacement can be costly and disrupt cleanroom operation. To avoid these problems, order replacements at the time you purchase the pass-through chamber; simply add “-RH” (for right-side hinge) or “-LH” (for left-side hinge) to the part number of the chamber.
CleanMount™ Design Allows Servicing or Replacement without Cleanroom Shutdown!
The simplicity of this CleanMount clamping system makes removal of the pass-through chamber just as easy as installation. If the wall cut-out framing is properly sealed prior to installation, the pass-through can be quickly removed and replaced without ever having to shut down the cleanroom. Maintain the positive-pressure differential and protect the cleanroom environment by sealing off the "dirty side" with plastic sheeting prior to removal. Loosen the lag bolt so that the pass-through lifts out of the wall without contaminating the room. Once out, the pass-through can be serviced, modified, or even replaced with an upgraded version to accommodate new applications.
A - Inside of flush-mount bracket on opposing side
B - Bolt guide extending from nut welded to opposing bracket
C - Mounting bolt (one, two or three per side, depending on chamber height) - standard sizes accommodate any wall thicknesses
D - Mounting bracket
E - Bracket cover
F - Standard wall (masonry or drywall)
dry wall cut-out for installing cleanroom passthrough chamber Finish cut-out framing to minimize contamination exposure during servicing Terra's quick-mount system installs in under five minutes, regardless of wall thickness and without contamination
Access Clearances
Width = W (nominal) – 1.88”
Depth = D (nominal) – 0.12”
Height = H (nominal) – 1.25”

90° Corner Design

Custom door configurations are no problem. Install Smart pass-throughs in corner walls, with door swings in either direction.

Smart® Cleanroom Pass-Through with Full-Glass Doors

Hygienic and damage resistant full tempered glass doors are specifically designed for healthcare, pharmaceutical, and GMP manufacturing applications to help achieve FDA compliance. The outside surface of the tempered glass door is frameless to minimize cracks and crevices where particulates or microbes can colonize.

Removable Cart Ramps on Floor-Mount Models

Floor-mount pass-through chambers include dual-side stainless steel cart ramps, sloped on three sides, that are removable for easy cleaning.

Interlock Status Lights

A green light bar indicates the door is available for use, with the electronic interlock disengaged. The bar turns red when the opposing door is open to indicate the electronic interlock is engaged.

Wireless Door Alert

Alarm bell rings when its assigned door is open (two bells per chamber); plugs into a standard wall outlet.

CleanMount™ Quick Install System

Clean-Mount™ clamping design allows pass-through installation flush against a cleanroom wall in a few minutes, without drilling into the finished wall; mounting brackets clamp flush against walls of any thickness.

Easy Installation Simplifies Cleanroom Commissioning

Installing conventional passthroughs can be very messy, making it impossible to perform while a cleanroom is operational. Terra’s innovative CleanMount® fastening system changes that, allowing for clean installation without drilling or penetrating the cleanroom wall. Framing a CleanMount® passthrough chamber on a finished cut-out eliminates the need for cleanroom shut-down during installation or service.

Smart® Pass-Through Electronic Door Interlock

Smart® Pass-Throughs include visible/audible door status alerts: red light and chimes indicate opposing door open (interlock engaged); green light means door available for use. Smart add-ons expand capabilties: LED/UV light, access control, air shower, more!

Flush-Mount Design Prevents Dust Accumulation

CleanMount® pass-throughs hug the cleanroom wall, eliminating gaps that collect germs and particle and making them ideal for critical bio/pharmaceutical cleanroom use.

Stainless Steel-Reinforced Removable Pass-Through Door

Stainless steel-reinforced CleanMount® doors provide superior strength and durability. Heavy-duty barrel hinges allow the doors to lift off for easy replacement or more thorough cleaning/decontamination.

CleanMount® Lipless Chamber Eliminates Clearance Obstructions

Instead of welded seams, the corners of the CleanMount® pass-through interior are coved to eliminate dust and germ traps. The lipless opening presents no clearance obstructions and further simplifies cleaning.

Highest Standards For Electronic Components

Terra’s electronic components are designed and built to the highest standards required by defense and semiconductor industries for long-term reliability and protection against damage, injuries, and electrical hazards.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Comprehensive Product Portfolio

Terra’s comprehensive product portfolio includes solutions for every application and budget. Our technical sales staff will guide you toward the product most suitable for your requirements.

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • LED Recessed Light
    Activates when either pass-through door opens; flush with the wall surface, covered by a static-dissipative PVC lens.
  • ULPA-Filtered Air Shower
    High-velocity, ULPA-filtered air dislodges surface-deposited contaminants and exits the chamber through a filtered exhaust.
  • Video Camera
    Interior HD video camera records continuously or upon door-opening; can also be used for remote monitoring the transfer chamber.
  • Infrared Load Sensor
    Infrared beams detect objects placed inside the transfer chamber; can be used to trigger an audible alert.
  • Iris Scanner
    Fully automated iris scanner for secure, hands-free access (includes datalogging and optional secondary keycard reader).
  • Automatic Door
    Hands-free operation of the pass-through door, governed by the electronic interlock; automatically closes based on delay timer.
  • Intercom System
    Built-in intercom system lets users easily call and communicate between rooms. No more shouting or awkward sign language.
  • LCD Message Panel
    Displays critical environmental information related to the interior chamber such as temperature and relative humidity (customizable).
  • UV Sanitizing Module
    Provides a timed cycle of 254 nm Ultra-Violet (UV) radiation to neutralize bacteria, viruses and mold spores within line-of-sight of the light fixture.
  • Support Brackets for Pass-Through Chambers
    Stainless steel support brackets are recommended for pass-throughs deeper than 24". Brackets fasten to the wall and the body of the chamber rests upon the horizontal bar; no fasteners are used on the pass-through itself.
  • Available UV & LED lights
    Lights are recessed with a transparent lens for easy cleaning; UV-C module neutrailizes microbes using a timed disinfection cycle.
  • 304 Stainless Steel Sliding Tray for Cleanroom Pass Through
    Securely hold small parts during transfer with this dual-motion sliding tray in corrosion-resistant 304 stainless steel. Tray attaches to sliding runners inside a pass-through to allow full tray extension in both directions for convenient material handling.

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