Check the listing for details. Nispira Water Filter Compatible with PUR Faucet Filtration Systems RF3375 3 Pk. Color: White, Condition: New. Listed at 20.99 USD. Nispira premium faucet water filter cartridge compatible with all PUR faucet filtration system. Made with premium coconut shell carbon block to remove chlorine, lead, contaiminants, odor, rust and sediments from the water and significantly improve the taste. Suggest to replace the filter every 3 months. Time varies based on the quality of the water source. Recommand to soak the filter in clean tap water for 3 minutes to flush the filter before using. A pack of 3 filters included. Size 4.25" x 2.37 x 2.37". Compatible with the following part/ model: PUR PLUS faucet water filter, RF-3375 faucet water filter, PUR Classic, Advanced and Horizontal Faucet Mounts, including PFM100B, PFM450S, FM-3333, FM-9400B, FM-3700B, FM-3700, FM-2000B, FM-9000B, FM-4000B, FM-4100B, FM-2500V, FM-3400B, PFM350V, Pur-0A1, FM-9600, PFM150W, PFM400H, PFM-270G, PFM800HX, FM-9600 and more models.