3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black Value:each 0 Ah battery (48-11-1880)

0 Ah battery (48-11-1880)

) 23 Work Table Surface 62

circular saw for powerful

Manual Override: Push button lets you turn the fan on for immediate ventilation needs

Reliable Crimps: Factory calibrated and meets ASTM F-1807 for consistent

3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black Value:each 0 Ah battery (48-11-1880)The RVK1A Steel Roof Cap Kit is an easy to install vent for ventilation fans (bath, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds and small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting,