3-1/2" x 3" Black Iron Hex Bushing Copper Fitting Brushes 13 bar)(Drop away pressure -

13 bar)(Drop away pressure - maximum pressure against which the vent can open)

1/16" to 1" (MAPP)

It is available in stock lengths from 1-1/2" to 24"

material:   Black Steel connection:   Threaded Thread Type:   Male Features:   Meets or exceeds all applicable ASTM and ANSI standards   Stocked from 1/2" through 4" size: nipple sets

Thickness:0

3-1/2" x 3" Black Iron Hex Bushing Copper Fitting Brushes 13 bar)(Drop away pressure -material: Black Malleable Iron connection: Threaded Thread Type: One Male & One Female Features: Meets or exceeds all applicable ASTM and ANSI standards 100% pressure tested before leaving the factory