Approved Vendors - Vent Pipe, 3 in Dia, 30 in L, 30 ga

Approved Vendors - Vent Pipe, 4 in Dia, 30 in L, 30 ga

Approved Vendors - Nipple, 1-1/2 in, 4 in L, MNPT, Brass

Approved Vendors - Nipple, 1/2 in, 4-1/2 in L, MNPT, Brass

Approved Vendors - Nipple, 1/2 in, 5 in L, MNPT, Brass

Approved Vendors - Nipple, 1/2 in, 6 in L, MNPT, Brass

Approved Vendors - Nipple, 3/4 in, 5 in L, MNPT, Brass

Approved Vendors - Nipple, 3/4 in, 6 in L, MNPT, Brass

Rheem® - Vent Pipe, 3 in Dia, 7.5 to 22 in L

Approved Vendors - Nipple, 3/4 in, 4 in L MNPT, 316/316L Stainless Steel, SCH 40/STD