Cleanroom Equipment
Air Filter Holding Frame
Product Overview
A Holding Frame is the structural mounting component for installing HEPA / ULPA filters in HVAC ducts, cleanroom ceilings, or air handling units. It provides precise filter positioning, airtight sealing, and ease of future replacement. Compatible with three sealing mechanisms — gel seal, gasket, or knife-edge — and available in aluminum alloy, stainless steel SUS304/316, or galvanized steel. Fully customizable to match on-site duct dimensions, efficiency grade, temperature / humidity conditions, and chemical exposure.
Features & Specifications
| Item | Specification |
|---|---|
| Frame Material | Aluminum alloy / Stainless steel SUS304 / SUS316 / Galvanized steel |
| Sealing Type | Gel Seal / Gasket / Knife Edge |
| Compatible Filters | HEPA H13/H14, ULPA U15/U16/U17 |
| Standard Thickness | 50 / 66 / 90 / 150 mm (custom available) |
| Standard Sizes | 610×610, 610×1220, 1220×1220 mm (custom available) |
| Surface Treatment | Powder coating / Electro-polish (BA) / Anodizing |
| Temperature Rating | Standard ≤ 80°C; high-temp up to 250°C (with heat-resistant sealant) |
| Fastening | Clamp type / Screw-lock / Spring clip |
| Installation Orientation | Upstream / Downstream (to be specified) |
| Custom Lead Time | 2 – 3 weeks |
Selection References
Before ordering, verify the efficiency grade, media type, and whether the operating environment fits your requirements.





