4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Insulated Line Set Design – Removable door/face for

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size - 10"w X 18"h X 2"d (for duct opening measurement only)

lubricate the pump’s moving parts as per the manufacturer’s recommendations

Actual Filter Size – 19 3/4"w x 33 3/4" x 1"

For 12" Round Duct Opening - Spiral or Flex

4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Insulated Line Set Design – Removable door/face for4" X 25' Round Duct Sheet Metal Pipe 5 PACK of 5' pipes 30 Gauge Galvanized Crimped End Connection 5 IN A PACK 4 Inch Diameter Pipe 25 Foot Length When Connected 30 Gauge Thick & Made of Thick & Durable Galvanized Sheet Metal Used For HVAC System Duct Work In Any Building or Home HIGH QUALITY High Quality Galvanized Sheet Metal with Crimped Ends (Snap Lock Design) For Easy Fitting and Secure Connection To Consecutive Duct Joints Made of Galvanized