Includes 1x 98209803 high flow manual air relief valve replacement, engineered for a precise fit with Warrior, EasyClean Aboveground and EasyClean filters, FNS and FNS Plus, SMBW 2000 and 4000 Series. Also fits Clean & Clear (ccp100, ccp320, ccp420, ccp520), Quad DE 60, 80, 100 and all Predator filters for reliable performance. This durable 98209803 air release valve assembly is designed to work seamlessly with multiple Pentair filter models, including 188592, 188593, 188594, 160316, 160317, 160318, 160301, 160332, 011555, 147411, 180007, 180008 and 180009, ensuring a stable and leak‑free connection for your pool and spa systems. Specially designed to efficiently release trapped air from the filter, helping maintain optimal water flow and operating pressure. Simple to replace with no additional tools needed; remove the valve, seat the O-ring, tighten the top plug, then insert and adjust the assembly until water flows steadily from the relief port. Constructed from high quality plastic and rubber with professional manufacturing standards, this manual air relief valve offers excellent durability, wear and corrosion resistance. The robust O-ring enhances sealing, while the threaded top plug allows quick removal so you can mount a compatible pressure gauge (NOT INCLUDED) if required. Color: As Shown Material: plastic Package Contents: 1*pressure relief valve 1*top plug 1*O-ring 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.