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20D: 4 in length
The KB300 Arm Kit is a component of the R400 and R700 1/2" and 3/4" valves
For 3-1/2" thick doors - Overall 4 1/2" thick
double horse
Will accommodate an optional V-rack with easy 4 bolt installation
#5 Neoprene Roof Jax part 20D: 4 in lengthManufactured from EPDM or silicone rubber, ROOFJACK square base are compounded for maximum resistance to ozone, UV light, & temperature extremes. Flexible base will allow the flashing to conform to any metal roof configuration. Pipe location can be centered in the flat of the panel or the rib. Urethane sealant & self drilling screws complete the installation. Check diameter of pipe. Select the appropriate Master Flash Roof Jack for pipe or duct
