Marshalltown 1-3/4 gal 6 lb. Drywall Hopper GunModel No. 693. One of the most advanced sprayers available with many exclusive features not found on other guns. Sprays both texture and joint compound. Full length trigger. 7 different orifice sizes with a knurled orifice adjustment knob. Air control at the gun instead of at the pump. Plastic hopper has 1 3 4 gallon capacity with no corner seams to clog. Offset connector allows ceiling or wall spraying. Delivers 7 CFM at 25 P. S. I. Weighs 6 lb.