This product is designed to properly apply specified Metzger MeGuire joint filler. Powered by 1/2 HP 110V electric motor. Easily change sprockets for 1:1 or 2:1 ratio. 0-.6 GPM variable speed flow control on dispensing wand. Aluminum mixing manifold with flow control. 1 1/4” steel tube frame. Easy clean polyethylene tanks. Convenience tray with generator storage below.