Please note: There may be slight color difference or discrepancy in the actual product, which does not affect the use, please don't mind, thank you! for Triton Pool and Spa Filters - Specifically designed to fit for Triton II TR100, TR140, TR100C, TR140C models, and for Triton C-3 filters, ensuring a secure and leak-free seal. Replacement Model 154856 - This 8-1/2inch buttress thread closure kit is a direct replacement for part number 154856. Complete Kit with All Necessary Components - The kit includes everything you need for easy installation: Air relief valve lid, PSI gauge, air safety valve lock nut, O-rings, and a lid wrench. A complete solution to restore the performance of your pool or spa filter. Effectively solve your seal kit leakage problems. The special cap wrench fits tightly onto the teeth at the top, allowing you to easily remove the top. The knob on the back of the gauge conveniently controls the water flow. The PSI pressure gauge is designed with a clearly marked sliding pressure gauge to indicate the operating status of the system and when the pressure has increased to the point where the filter needs to be cleaned. Color: As Shown Material: Plastic+Metal Package Contents: 1 * Buttress Thread Closure Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.