HVAC Premium 4" Mini Split Line Set PVC Pipe Cover Kit d + Product Details Size -

+ Product Details Size - 4"w X 36"h is the size for the duct opening measurement only

Filter Size - 31

+ Product Details Heavy-Duty Steel Construction - Made from 20-gauge steel for superior strength and durability

scratch-resistant

Actual Filter Size – 31 3/4"w x 19 3/4" x 1"

HVAC Premium 4" Mini Split Line Set PVC Pipe Cover Kit d + Product Details Size -+ Product Details Universal Set This universal line cover set contains 11 essential pieces for your HVAC system. When used together, youll provide ample protection for your equipment against harmful environmental factors such as, rain or snow, extreme heat and sunlight, and animals. 4x 48" Length Duct 1x 32. 5" Flexible Joint 3x Coupling Sockets 1x Variant Socket 1x Wall Cover 1x 90 Vertical Elbow 1x Adjustable 90 120 Vertical Elbow Protection