Pleated Filter 9" X 12" X 1" DryMax & Firebird MERV 10 3M Why PVC rather than steel

Why PVC rather than steel

7 inch and larger motors will not fit a housing built for it

Easy to Mix - powder blend of Boost All

Highly concentrated for excellent economy

Pleated Filter 9" X 12" X 1" DryMax & Firebird MERV 10 3M Why PVC rather than steelOverview Pleated air filter, 9" 12" 1", MERV 10. Phoenix part number 4038477. Supplied twelve filters per case. What it fits Phoenix DryMax named in the service parts list as Filter, and in the options and accessories list as Air Filter, Pleated 9" 12" 1" MERV 10 Phoenix Firebird It sits on filter support 4036927 in the DryMax. What MERV 10 means in practice MERV is the efficiency rating of the filter media. A MERV 10 filter is doing real particulate