3in-4in
MF 4MFS
Most commonly asked for B-venting!
Availability:
On backorder
Shipping Dimensions (WxHxD):
14.0 x 2.0 x 14.0
- 4" round pipe firestop spacer 4-5/8" id 13x13 OD square.
::ESPAÑOL::
- 4" redondo espaciador de firestop de tubo 4-5/8" cuadrado de OD id 13 x 13.