Indoor use only 1 1/2" inlet and outlet Quick release compression fittings allow for easy installation or maintenance Available in 115V & 230V .06 HP Available in side discharge and center discharge models Circ-Master HP & CP 24-hour recirculation pumps Aqua-Flo by Gecko's Circ-Master pump takes 24-hour filtration to a new level, delivering the highest GPM of any recirculation pump on the spa industry. Higher GPM allows the Circ-Master to operate a high-flow heating system resulting in increased heating efficiency and up to four times the filtration. Ideal for 24/7 c Flow rate up to 40 GPM 1.5’’ intake and discharge Wet end available in center or side discharger configuration