Air filter with sorbent particles

摘要

An air filter for use in a residential HVAC system includes filtration media including a base layer and a sorbent layer including adhesive fibers and sorbent particles.

主权项

1. An air filter for use in a residential HVAC system, comprising:
(a) filtration media having opposed first and second major surfaces and a perimeter edge region, the filter media including:
(i) a nonwoven base layer; and(ii) a sorbent layer including adhesive fibers and from about 100 to about 500 g/m2 of sorbent particles comprising granular activated carbon; wherein the adhesive fibers have a ratio of length to diameter of at least about 10,000 or more and are present in an amount of between about 2 wt % and about 20 wt %; and wherein the adhesive fibers bond and adhere to the sorbent particles and bond and adhere the sorbent layer to the nonwoven base layer; and (b) a frame arranged around at least a portion of the perimeter edge region of the media.