Gast Rotary Vane Compressor - 1/4 HP - 115/230v; specify voltage RV33
RV33 1/4 HP 5/115v 4.5 4.3 4.0 3.6. GAST ROTARY VANE AIR COMPRESSORS FEATURES AND SPECIFICATIONS Carbon vane self adjust to maintain maximum efficiency and are easily replaced when worn out. RV332 1/4 HP 2.5/230v 4.5 4.3 4.0 3.6.