Koch Filter™ Disposable Polyester Filter 22 X 22 X 1" 284-220-220 - Pkg Qty 12

Commercial / industrial polyester disposable filters for light-to-medium duty applications. Durable construction for all types of industrial and commercial applications progressive density glass or poly filter media heavy-duty frame and corners for added strength and durability environmentally friendly special sizes available easy to install polyester media- c&i disposables are also available with polyester filter media a dual-layered high performance media for applications where synthetic filter media is specified. Sturdy one-piece frame - the koch c&i disposable utilizes a one-piece moisture-resistant craft board frame for strength and ease of installation. The interlocking miter corner of the koch c&i filter provides extra strength and durability. No extra metal support is needed making the filter more environmentally friendly. Specialized sealant - a thermoplastic sealant is used to bond the filter media to the frame on both the upstream and downstream sides of the filter. This bond eliminates any air bypass and helps provide rigidity to the filter.

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