Builder's Best 4 In. Brown Plastic J-Block Dryer Vent Hood 780 Expansion and contraction of ice

Expansion and contraction of ice during freeze/thaw cycles can cause unit damage

Red polyurethane wheels are lightweight

The Stainless-Steel S-470 features 4 Stainless-Steel burners that produce 48

Side panels expand to fit openings 12 In

per 4-gallon

Builder's Best 4 In. Brown Plastic J-Block Dryer Vent Hood 780 Expansion and contraction of icePlastic vent hood faceplate with 1 piece flapper for clothes dryer and bathroom venting. Faceplate is 7. 5" W. x 8. 5" H. Fits 4" aluminum pipe (not included). Beveled and weighted design prevents birds from pecking the flapper open and keeps flapper closed during windy conditions. Reversible trim ring allows adjustment of the distance between the faceplate of the hood and the back trim ring from 0. 5" to 1. 15". Hood can be used for various