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.