P2 Chamber Selection is a replacement component for Probler P2 spray foam guns. SPF Depot stocks OEM and aftermarket Probler P2 parts including chambers, seals, o-rings, check valves, rebuild kits and repair components.
Modified Chamber is the chamber and tip as a single machined part. Standard chamber is like your factory chamber and fit to your current tip. The wide chamber is wide pattern. 1.5 is sized between the 01 and 02 size.