14x28x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 27.75) - 3 Pack 8 Feet Long 1 mm of PVC coating Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

1 mm of PVC coating which can be installed on sidewall

Design – 29 Different Pockets - 11 External Pockets 12 Internal Pockets 6 Loops Plastic Base with Shoulder Strap - The sling loops are thick so you don't have to worry about them coming apart

+ Product Details Size & Compatibility – The 4" stick-on Side take-off is compatible with duct 4"

The insulation

+ Product Details Size – 34"w X 12"h is the size for the duct opening measurement only

14x28x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 27.75) 3 Pack 8 Feet Long 1 mm of PVC coating Compatible With Duct 7in Applications This sheet metal DDAG A 1212 1 mm of PVC coating which can be installed on sidewall Design – 29 Different Pockets 11 External Pockets 12 Internal Pockets 6 Loops Plastic Base with Shoulder Strap The sling loops are thick so you don't have to worry about them coming apart