STjh 457 mm recirculating HEPA pass box with compact chamber, upper filter housing and lower return slots

STJH-BIOSAFETY-PASS-BOX-RECIRC-457

Biosafety Pass Box 457 mm Recirculating HEPA

A compact 457 mm cubic pass box with closed-loop HEPA recirculation for small samples and supplies.

457 mm cubic chamber
Closed-loop recirculation
304 or 316L stainless

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Product Introduction

The smallest retained biosafety pass box provides a 457 mm cube for hand-carried loads. Its closed-loop HEPA circuit cleans chamber air without drawing from or exhausting to the adjoining rooms, reducing disturbance to their pressure balance.

Key Features

Compact load volume

The chamber suits small sterile samples, carriers and supply packs.

Room-pressure isolation

Closed-loop airflow avoids a continuous exhaust path between adjacent spaces.

Stainless material choice

304 or 316L construction can match the cleaning environment.

Technical Parameters

Internal Chamber	457 x 457 x 457 mm
Airflow	Closed-loop recirculating
Final Filter	HEPA
Construction Options	304 or 316L stainless steel
Door Arrangement	Two-sided pass-through
Load Scale	Small
Room Air Exchange	None through the recirculation circuit
Primary Items	Samples and supply packs
Installation	Wall mounted
Customization	Steel grade, door handing and internal shelf can be configured for the transfer boundary.

Applications

Small sterile sample, instrument and consumable transfers between controlled rooms without altering their air balance.

Solutions for Your Application

A ventilated pass box could change adjacent room pressure.Use the closed-loop chamber circuit instead of exhausting room air.

A large chamber wastes wall space for small items.Select the 457 mm cube around the maximum regular load.

Available Options

304 or 316L construction, door handing, shelves and interlocks can be selected.

Planning a Biosafety Pass Box 457 mm Recirculating HEPA specification?

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