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ValuLine™ Hardwall Cleanrooms
Value without Compromise

ValuLine Hardwall Modular Cleanroom
Clean conditions – to ISO 5/Class 100 — at lower cost.

Features Key

A Ceiling HEPA Fan Filter Units meet cleanliness requirements: ISO 5 – 8 (Class 100 – 100,000)
B Fluorescent lights
C Control panel includes FFU and light controls and power outlet
D All-steel frame and ceiling grid: strong, clean, durable
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See Below
  • Create an economical cleanroom in nearly any office or production space!
  • The ideal environment for material testing, processing and packaging, as well as enclosing particle-sensitive equipment
  • Ten standard sizes come preconfigured to meet cleanliness requirements from ISO 5 – ISO 8 (Class 100 – Class 100,000)
  • All-steel support frame and ceiling grid creates a rigid, free-standing support structure
  • HEPA Fan Filter Units (FFUs) provide up to 808 CFM (at high speed)
  • Fluorescent Light Modules provide 3409 candlepower each
  • Power Supply Unit includes On/Off power switch, 120V power outlet, and cord - plugs into standard 20A wall circuit
  • Pre-drilled, pre-kitted components for easy installation — just a few hours from crate to operation with two assemblers (kit with all required tools included)

Cat. # Price
ValuLine Hardwall Modular Cleanroom 6600-21-VL Price

Terra's ValuLine™ Hardwall Cleanrooms provide low-cost contamination control, creating an ISO 5 — ISO 8 environment nearly anywhere you need it.

Choose among ten standard sizes, each configured to meet the cleanliness requirement you specify (see chart below). The all-steel frame is powder-coated white and requires no bracing or external supports. Panels are clear acrylic. Each model includes everything you need — even a tool kit — to get your system up and running in a few hours (two assemblers required). All electrical components, including Fan Filter Units, are UL listed.

Select WhisperFlow Fan Filter Units for quiet operation and clean laminar airflow performance.

For other sizes or custom configurations, see Terra's standard Hardwall Modular Cleanrooms.

Standard Configurations and Included Accessories (Call Terra for pricing)
Nominal Dimensions, ft. (mm)
Ceiling: 7 ft. or 8 ft. (2134 or 2438 mm),
add 22" (560 mm) overhead clearance
FFUs and Power Supply Units (PSUs)-
each Power Supply Unit requires
a free 120V, 20A circuit
Overall Width x Depth
Lights ISO 5 /
Class 100
ISO 6 /
Class 1000
ISO 7 /
Class 10,000
ISO 8 /
Class 100,000
12 x 12
(3658 x 3658)
3 6 2 5 2 3 1 1 1
12 x 10
(3658 x 3048)
3 6 2 4 2 2 1 1 1
12 x 8
(3658 x 2438)
2 5 2 3 1 2 1 1 1
12 x 6
(3658 x 1829)
2 3 1 2 1 1 1 1 1
10 x 10
(3048 x 3048)
2 4 2 3 1 2 1 1 1
10 x 8
(3048 x 2438)
2 4 2 3 1 1 1 1 1
10 x 6
(3048 x (1829)
1 3 1 2 1 1 1 1 1
8 x 8
(2438 x 2438)
1 3 1 2 1 1 1 1 1
8 x 6
(2438 x 1829)
1 3 1 2 1 1 1 1 1
6 x 6
(1829 x 1829)
1 2 1 1 1 1 1 1 1

Frame and Grid: Powder-coated steel: 2.5" square tube uprights and frame
Panels:: Acrylic
Fan Filter Units 2' x 4' HEPA, 3 speeds (WhisperFlow specifications)
Lighting: 2' x 4', 4-tube fluorescent fixture, 3409 candlepower, 120 W, 120-277VAC
Power Supply Unit: Switched supply to six-receptacle unit for connection of up to 3 FFUs and lights, plus one non-switched 120V outlet, cord and 3-prong plug. Each plugs directly into a free 120VAC, 60Hz, 20A circuit (220V models available)
Ceiling Panels: Polypropylene
Access Door Aluminum frame swing door, acrylic panel

Pre-Configured ISO 8 Systems
Models meet ISO 8 requirements. All include hardwall acrylic panels, one swing door, one HEPA fan/filter unit, and one fluorescent light fixture.
ISO 8 ValuLine Hardwall Cleanroom
Call for other sizes and ISO ratings 8'W x 8'D x 8'H* 8'W x 10'D x 8'H* 10'W x 10'D x 8'H*
Cat. # Price Cat. # Price Cat. # Price
6600-21-VL-ISO8-0808 $ 8,316 6600-21-VL-ISO8-0810 $ 9,272 6600-21-VL-ISO8-1010 $ 10,733
* Floor to Filter face. Fan/Filter unit requires an additional 18" or overhead clearance.

Extended Depth Models
Terra can meet standard delivery schedules on any of the extended-depth models below by combining two standard rooms of sizes indicated. Extended-depth models feature dual opposing swing door entries on the width dimensions. The example at right illustrates two 12'W x 10'D rooms combined to create a 12'W x 20'D room, No. 6600-21-VL-1220.
ValuLine Extended Hardwall Modular Cleanroom
Call for a quote on the unit that meets your cleanliness and lighting requirements.

Norminal Dimensions
Base Systems Cat. #
6'W x 14'D 6'W x 6'D; 6'W x 8'D 6600-21-VL-0614
6'W x 16'D Qty 2: 6'W x 8'D 6600-21-VL-0616
6'W x 18'D 6'W x 8'D; 6'W x 10'D 6600-21-VL-0618
6'W x 20'D Qty 2: 6'W x 10'D 6600-21-VL-0620
6'W x 22'D 6'W x 10'D; 6'W x 12'D 6600-21-VL-0622
6'W x 24'D Qty 2: 6'W x 12'D 6600-21-VL-0624
8'W x 14'D 8'W x 6'D; 8'W x 8'D 6600-21-VL-0814
8'W x 16'D Qty 2: 8'W x 8'D 6600-21-VL-0816
8'W x 18'D 8'W x 8'D; 8'W x 10'D 6600-21-VL-0818
8'W x 20'D Qty 2: 8'W x 10'D 6600-21-VL-0820
8'W x 22'D 8'W x 10'D; 8'W x 12'D 6600-21-VL-0822
8'W x 24'D Qty 2: 8'W x 12'D 6600-21-VL-0824
10'W x 14'D 10'W x 6'D; 10'W x 8'D 6600-21-VL-1014
10'W x 16'D Qty 2: 10'W x 8'D 6600-21-VL-1016
10'W x 18'D 10'W x 8'D; 10'W x 10'D 6600-21-VL-1018
10'W x 20'D Qty 2: 10'W x 10'D 6600-21-VL-1020
10'W x 22'D 10'W x 10'D; 10'W x 12'D 6600-21-VL-1022
10'W x 24'D Qty 2: 10'W x 12'D 6600-21-VL-1024
12'W x 14'D 12'W x 6'D; 12'W x 8'D 6600-21-VL-1214
12'W x 16'D Qty 2: 12'W x 8'D 6600-21-VL-1216
12'W x 18'D 12'W x 8'D; 12'W x 10'D 6600-21-VL-1218
12'W x 20'D Qty 2: 12'W x 10'D 6600-21-VL-1220
12'W x 22'D 12'W x 10'D; 12'W x 12'D 6600-21-VL-1222
12'W x 24'D Qty 2: 12'W x 12'D 6600-21-VL-1224

Declaration of UL Listing
Includes declaration of system listing under UL File E472687, including all high-voltage Modular Cleanroom electrical components integrated into Power Distribution System (Terra Nos. 6600-29B-P, 6600-29B-S, 6600-29B-B, 6600-29B-P-220, 6600-29B-S-220, 6600-29B-S-220, 6600-27, 6600-27-220 and ValuLine variations). UL listing helps meet municipal and other permitting requirements that may apply.
Cat. # Price
6600-33 call TUI

File Type File Name Publication Date
Tech Resource (PDF) Calculating Clean Room Cleanliness: How many FFUs and Lights?
This tutorial provides practical tips for correlating the desired cleanliness level (per ISO/FS209 standards) to the required number of fan/filter units (FFUs). Also provides guidelines for specifying lights based on the type of operations being conducted.
FAQs (PDF) Frequently Asked Questions about Cleanrooms
Answers to both basic cleanroom questions as well as specific inquiries about Terra-made rooms. Useful insight for people with a new cleanroom, or thinking about ordering one.
Manual (PDF) Cleaning Procedures #1800-91
A guide to cleaning and sterilizing protocol for modular clean rooms in order to meet your cleanliness requirements: frequency, materials to use and use of equipment.
Manual (PDF) ValuLine™ Hardwall Cleanroom Doc. No. 1788-05
Reference this User Guide for your ValuLine Hardwall cleanroom from Terra; see instructions for installation, maintenance and operation.
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