Ducting Collar 4" - Galvanized Steel water-pumps-&-irrigation-supplies Shallow grooves for easy cleaning

Shallow grooves for easy cleaning

8 ft and 12 ft long x 16 in wide and tall

Packing: 50 units per case

Does not add excess moisture to flowers

Dyna-Gro's Pure Neem Oil is cold-pressed from the seeds of the Neem tree

Ducting Collar 4" - Galvanized Steel water-pumps-&-irrigation-supplies Shallow grooves for easy cleaningA 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