Ducting Collar 4" - Galvanized Steel micro-nutrients but is simply inserted through

but is simply inserted through the compression fitting

• Provides 11 cubic feet per hr of CO2

the most popular size for computers and DIY applications

Compatible with both wet and dry material

measuring cup for soil testing

Ducting Collar 4" - Galvanized Steel micro-nutrients but is simply inserted throughA 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