3in-4in
MF 3MFS
Most commonly asked for B-venting!
Availability:
On backorder
Shipping Dimensions (WxHxD):
16.0 x 4.0 x 16.0
- 3"round pipe firestop spacer 3-5/8" id 13x13 OD square.
::ESPAÑOL::
- 3" redondo espaciador de pipa firestop 3-5/8" cuadrado de OD id 13 x 13.