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Help CenterPolyester Flange-Clamp Air Filter, 300mm x 300mm, 250°F Max Temperature, Standard Compliant for HVAC
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to introduce our Polyester Flange‑Clamp Air Filter (300mm x 300mm, 250°F Max) — a high‑performance filtration solution designed for demanding HVAC applications. Combining decades of wire mesh and filtration expertise, we deliver a product that balances durability, thermal resistance, and easy installation. Our factory’s annual export value of US$5–10 million and global reach (North America, Europe, Southeast Asia, etc.) underscore our commitment to quality and reliability.
This air filter uses a polyester non‑woven media that offers excellent dust‑holding capacity and low airflow resistance. The flange‑clamp frame (galvanized steel, optional) ensures a secure fit in standard HVAC ductwork, while the 300×300 mm size fits common residential and commercial systems. Rated for continuous operation up to 250°F (121°C), it withstands elevated temperatures without degrading performance — ideal for pre‑filters in ovens, dryers, and industrial ventilation.
Key Features & Technical Specifications
| Parameter | Value |
| Dimensions | 300 mm × 300 mm (11.8" × 11.8") |
| Filter Media | 100% Polyester non‑woven |
| Maximum Operating Temperature | 250°F (121°C) |
| Frame Type | Flange‑Clamp (galvanized steel, optional) |
| Thickness | 25 mm (standard), customizable |
| Color | White |
| Application | HVAC, industrial ventilation, pre‑filtration |
| Compliance | Meets HVAC industry standards |
- High‑temperature resistance: Polyester media maintains structural integrity up to 250°F, ensuring long service life in hot environments.
- Flange‑clamp design: Quick and secure installation without tools — simply slide into the duct and clamp. Reduces maintenance time.
- Low pressure drop: The non‑woven polyester construction allows efficient airflow while capturing particles ≥5 µm (typical G4/MERV 8 performance, customizable upon request).
- Washable & reusable: The filter media can be cleaned with water or compressed air, extending its lifespan and lowering replacement costs.
- Versatile fit: 300×300 mm size is one of the most common dimensions for HVAC units — compatible with many existing systems.
- Eco‑friendly: Polyester material is recyclable, and the reusable nature reduces waste.
Our manufacturing process ensures consistent quality. Each filter undergoes inspection for dimensional accuracy, media integrity, and thermal performance. The standard compliance guarantees that the product meets the general requirements of HVAC filtration, making it a reliable choice for facility managers, contractors, and OEMs.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience (since 1998), we have built a reputation for dependable filtration products. Our factory exports US$5–10 million annually to markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) and offer flexible packaging options (bulk, boxed, or palletized).
We understand that every HVAC system is unique. That’s why we offer customization: different thicknesses, frame materials (aluminum, stainless steel), and filter efficiencies (MERV 5–13) are available on request. Our dedicated sales team can provide samples, technical drawings, and fast lead times.
When you choose our Polyester Flange‑Clamp Air Filter, you invest in a product backed by a proven manufacturer, rigorous quality control, and a global supply chain. We invite you to contact us today for a quote, sample, or to discuss your specific requirements. Experience the reliability that comes from a factory that has been perfecting its craft for over two decades.
Frequently Asked Questions
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Q: Can this filter be used in high‑temperature applications like ovens or dryers?
A: Yes, the polyester media is rated for continuous operation up to 250°F (121°C), making it suitable for pre‑filters in ovens, dryers, and industrial exhaust systems. -
Q: What is the filtration efficiency of this filter?
A: The standard polyester media typically captures particles ≥5 µm (equivalent to G4/MERV 8). Higher efficiency options (MERV 10–13) are available upon request. -
Q: Is the filter washable and reusable?
A: Yes, the polyester media can be cleaned with water or compressed air. However, we recommend replacing the filter after 3–6 cleaning cycles or when physical damage is visible. -
Q: Does the filter come with a frame?
A: The standard version includes a galvanized steel flange‑clamp frame. Optional frames (aluminum, stainless steel) are available for custom orders. -
Q: Can I order a different size or thickness?
A: Absolutely. We offer customization for dimensions, thickness, and frame type. Please contact us with your requirements. -
Q: What packaging options are available for bulk orders?
A: We can pack filters in boxes, pallets, or shrink‑wrapped bundles. For large quantities, we recommend palletized packaging to minimize damage during shipping. -
Q: How long does shipping take to North America?
A: Typical lead time is 15–25 days after order confirmation, depending on the quantity and shipping method. Express shipping (DHL, FedEx) is available for small sample orders. -
Q: Do you provide samples before bulk purchase?
A: Yes, we offer samples for quality evaluation. Sample cost and shipping are negotiable, and we can deduct the sample fee from a future bulk order.
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