Quick view PMC | sku: 200561 PX-7 Spray Gun PX-7 Spray Gun The PMC PX-7 Mechanical Purge Gun is ideal for slab jacking, roofing, residential foam and coatings. STANDARD FEATURES: Mechanical Purge: PX-7 incorporates a valving rod to mechanically purge the mixed material from the mixing... Log in for pricing Compare