Waterway Plastics filter model 502-7510 is a 2"s top load filter. For use on portable spas, it is designed to mount in a niche so that the main body is under the shell of the spa, while the top is...
Waterway Plastics filter model 502-5010 is a 2"s top load filter. Waterway, Top Load, 50 Sq Ft, 2"Slip w/ By-Pass Valve, For use on portable spas, it is designed to mount in a niche so that the main...