Carbon Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12 coco Darkling Beetles

Darkling Beetles

we recommend using a Phat Muffler on both the intake and exit of your inline fan

These include open-style and wing-type reflectors

which hatch when the weather becomes warm

Carbon Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12 coco Darkling BeetlesQty Per Unit: Package of 12 Carbon Register Air Vent Filters Electrostatic Register Vent Filtration Pure Carbon Air Vent Filters have a permanent electrostatic charge to help trap dirt, dust, smoke & pollen sized particles through furnace AC registers. Keeps dirt & objects from falling into ducts. Can be trimmed to fit standard size vents 4" X 12" and under. Why use AIR Vent Filters? Air Register Vent Filters are made of a self charging electrostatic