Constructed of 4-ply aluminum foil laminate. Flexible. Ideal for gas and electric clothes dryer installations. Fire-resistant, will not support combustion. UL 2158A listed and marked.
Replacement foam filter for wet/dry vacs. Should be used for wet pick-up only. Can be rinsed and reused. Compatible with Channellock 2.5-gallon and 4-gallon wet/dry vac.