Compatibility: This threaded ring is designed specifically for the SPS100, SPS75, and SPS50 pumps, ensuring reliable performance in your filtration system. Construction: Made from robust materials, the union nut threaded ring is engineered to withstand high pressure and environmental stress, guaranteeing durability and reliability in operation. Easy Installation: The user-friendly design allows for straightforward installation, making it convenient to replace or install the pre-filter housing without tools. Insert: The insert of the pre-filter housing enables easy monitoring of the filter condition, allowing for timely maintenance and optimal performance of your pump system. Enhanced Filtration: This threaded ring plays a crucial role in the pre-filter setup, improving filtration efficiency by providing a secure connection that prevents leaks and enhances overall system reliability. Color: As Shown Material: Plastic Package Contents: 2 x Threaded Ring Accessory Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm.