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Terra Part # Price Ships in
120 V PVC 304 or 316 Stainless Steel Center Wall Optional ISO 5 24" 24" 24" 2635-10B-2-316-CM 66888 $18,240 1-3 Days 2
In stock soon
120 V PVC 304 or 316 Stainless Steel Center Wall Optional ISO 5 24" 24" 36" 2635-13B-2-316-CM 66894 $19,719 1-3 Days 3
Only 1 left in stock
120 V PVC 304 or 316 Stainless Steel Center Wall Optional ISO 5 30" 30" 30" 2635-21B-2-316-CM 66898 $19,976 1-3 Days 4
Only 1 left in stock
120 V PVC 304 or 316 Stainless Steel Center Wall Optional ISO 5 36" 36" 36" 2635-15B-2-316-CM 66900 $25,773 1-3 Days 5
Only 1 left in stock
120 V PVC 304 or 316 Stainless Steel Center Wall Optional ISO 5 36" 36" 48" 2635-16B-2-316-CM 66902 $26,744 1-3 Days 6
Only 1 left in stock
120 V PVC 304 or 316 Stainless Steel Flush Floor Optional ISO 5 36" 36" 48" 2635-19C-2-316 80417 $27,613 5-9 Days 7
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 18" 24" 18" 2635-22C-2-316 80434 $14,361 10-15 Days 8
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 18" 18" 18" 2635-07C-2-316 80430 $15,530 1-3 Days 9
Quick Ship+ Available Only 2 left in stock
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 18" 18" 24" 2635-08C-2-316 80432 $14,888 10-15 Days 10
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 24" 24" 24" 2635-10C-2-316 80478 $18,240 1-3 Days 11
Quick Ship+ Available In stock
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 24" 24" 36" 2635-13C-2-316 80481 $19,719 1-3 Days 12
Only 2 left in stock
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 24" 24" 48" 2635-14C-2-316 80482 $19,424 5-9 Days 13
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 30" 30" 30" 2635-21C-2-316 80485 $19,976 1-3 Days 14
Only 2 left in stock
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 36" 36" 36" 2635-15C-2-316 80483 $25,773 1-3 Days 15
Quick Ship+ Available Only 2 left in stock
120 V PVC 304 or 316 Stainless Steel Flush Wall Optional ISO 5 36" 36" 48" 2635-16C-2-316 80484 $26,744 1-3 Days 16
Only 2 left in stock
120 V PVC 316L Stainless Steel Center Wall Optional ISO 5 18" 18" 18" 2635-07B-2-316-CM 73554 $15,522 1-3 Days 17
Only 1 left in stock
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Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
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Product Details
Product Details
  • Available ISO Ratings: ISO 5, ISO 6, ISO 7, ISO 8
  • Electronic cleanroom passthrough with Smart® Control System provides advanced control and monitoring
  • Unit includes double-wall construction, which triples product lifespan and totally eliminates cleaning of accessories
  • CleanMount design allows for installation without drilling and prevents cleanroom shutdown for rapid servicing or replacement
  • 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 304 or 316 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 304 or 316 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.
  • Includes:
  • (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 Passthrough Watch Terra's Smart Pass-Through Video
  • CleanMount pass through and rack educational animation Watch Terra's CleanMount® Pass-Throughs and Racks Video
  • 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
Smart Passthrough
CleanMount pass through and rack educational animation
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

Learn More: CleanMount Pass Throughs

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)
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”

Durable Double Wall Construction

BioSafe double-wall construction triples unit lifespan and totally eliminates cleaning of accessories

Lift-Off, Non-Shedding Door Hinges

Non-shedding, barrel-type door hinges allow the doors to lift off for thorough cleaning and decontamination (no tools required). Unlike industry standard continuous designs, these hinges comply with strict ISO levels.

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.

Wireless Door Alert

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

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.

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.

Products Compliant With Your ISO Rating

Provide Terra with your desired ISO rating. We will tailor the product to meet your rating and supply a certificate of compliance appended to your invoice, to be included in your compliance package. All certificates are archived in Terra's system for quick retrieval.
Available Accessories
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Pass Through Racks

    Designed to be installed into any pass through. Install these racks within minutes with no special tools. Simply tighten a compression screw. Forgot to order racks before? No problem!
  • 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 and connect to a remote alarm located up to 200 feet away from the pass through chamber. The crossed red lines depict the non-visible trigger lines between the IR transmitters and receivers.
  • 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 knocking on windows, 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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