M-D Building Products M-D Adjustable Aluminum Window Screen 15-in x 20-37-in Sump & Sewage Check Valve switch from wire to chain

switch from wire to chain at the press of a button

lanterns and appliances and can be used in place of other brands of camp fuel

Easy to fill or empty

blade is hardened & tempered

Great for repairing galvanized gutters and filling metal seams

M-D Building Products M-D Adjustable Aluminum Window Screen 15-in x 20-37-in Sump & Sewage Check Valve switch from wire to chainThe MD adjustable screen keeps insects and debris out while allowing air in. The adjustable width expands from 20 In. to 37 in. The pile top and bottom ensures a snug fit. Adjustable screens are multi purpose and are ideal for home, RV, cabin, and mobile homes. No tools required to install. Multi purpose screen Easy to install and adjust Pipe top and bottom ensures snug fit Helps keep out flies, mosquitoes and other insects Fiberglass mesh