Hoffman AFLTR4AL 4-Inch Filter Package, 5 Pack

filter package includes five 4-inch filters compatible with fan and exhaust packages. It offers washable foam (Type 1) and disposable (Type 12) filter options. Optional grilles in stainless steel or black ABS plastic can replace the standard gray composite or stainless steel grilles. Aluminum filters are washable and fit Type 1 systems only. Type 12 filters are not washable and required for UL Type 12 rating on fan package inlets.

For technical purchases, confirm that Hoffman AFLTR4AL 4-Inch Filter Package, 5 Pack 520665 fits the required application and field conditions.

Verify compatibility with the rest of the system, especially when replacing existing equipment.

For US-based technical sourcing, this product belongs to Cabinets, Panels & Mounting Boxes and should be selected by application fit.

For replacement work, compare the existing part number, electrical requirements, mounting conditions, and installation environment. This approach is useful for commercial, industrial, and low-voltage projects where details for Hoffman AFLTR4AL 4-Inch Filter Package, 5 Pack 520665 matter.