Pool Hose Adapters Kit2 pack pool adapters, enough to be used or replaced in your daily life. 2 clamps and 2 gel pads for a tighter connection. Easy to Install Pool Hose AdapterPool adapter is used to connect 1.25 inch hose to plunger valve or filter pump. The small end connects to a 1.25" hose. The threaded end connects to a 1.5" plunger valve or filter pump. Easy to twist. Sink Adapter DimensionsSink adapters fit all 4000, 2500, 2000 and 1500 gallon/hour filter pumps with threaded hose connections. (Note: Please check the picture carefully for the specific size). )Pool Fittings Multiple UsesPump Hose Fittings are suitable for hoses in filtration systems, submersible pumps, pool pumps, filter pumps, sand filters or shut-off valves . We recommend that you avoid using hose clamps in areas where the water hose is located at the water outlet.