Active Aqua Bottom Draw Pump Adapter, 1" BAY HYDRO LLC Ships in 24 HOURS, Don't believe the Estimated Date, As we are "SUPER FAST" PLEASE READ DESCRIPTION FOR ACTUAL SIZE DISCLAIMER !!! Designed for Active Aqua Water Pump 1000GPH AAPW1000 THESE ARE MADE AND SIZED FOR USE WITH ACTIVE AQUA WATER PUMPS, THE SIZE IN INCHED DOES NOT REFER TO THREAD SIZE