Copper roof drain supplied with ProSeal mechanical seal for water back-up prevention
Size/Part #
3" BSTR3CR
4" BSTR4CR
5" BSTR5CR
6" BSTR6CR
Body: Copper
Flange: 18"
Outlet length: 9" (+ 2" for Seal)
Clamping Ring: 10" ABS
Strainer: 10" Polyethylene
Packaging: 1 per carton
Type: Retrofit
Material: Copper
I really like the products we purchase from Marathon. They are always helpful and much nicer to deal with than my previous manufactures.
— Bob, Commercial Coordinator, ABC Supply Company, Austin, Texas