Ducting Collar 4" - Galvanized Steel Pumps & Irrigation accurately compensated readings even during

accurately compensated readings even during sudden temperature fluctuations

continuously improving mix

bulb replacements and heat are the biggest problems indoor growers face

In-built double klixon thermal protection

soft and hard shell bags

Ducting Collar 4" - Galvanized Steel Pumps & Irrigation accurately compensated readings even duringA steel ducting flange designed for use with applications like tumble dryers, bathroom fans, and range hoods. Crimped rims and raised lip on the duct opening for enhanced grip on ducting. Flat brim that lays flush against all flat surfaces and creates an airtight seal to keep particles out. Galvanized steel body that is corrosion resistant and can withstand high temperatures. Ducting Opening Diameter: 4 inches Collar Diameter: 7 inches Finish: Zinc