Fil-Fresh 2-Pack PURWater Filter Replacement for RF-9999 PURPLUS Faucet Water Filtration System, NSF Certified, Replace Mineral Core Faucet Mount Water Filter

Perfect Fit: Compatible with faucet water filter systems (classic, advanced, vertical & horizontal), including FM3700, PFM400H, PFM350V, PFM100B, FM4000B, PFM450S and more. All manufacturers' names and part numbers are used for compatibility information only,Save Your Bills: 2 Packs work as well as the original filters, but at a lower cost. Filter up to 100 gallons of water or replace it every 3 months,Powerful Filtration: NSF Certified activated carbon and ion exchange system reduces 99% of lead, chlorine, rust, sediment, etc (over 70 impurities), greatly improving the taste and odor,Better Filter Process: Advanced structure pass through the water smoothly, which ensures stable and continuous clean water flow,Easy to Replace: No tools needed. Unscrew the top cap to get out the old filter and insert the new one into the faucet mount until it clicks, then tighten the cap