RKIN
Whether you own or rent, we have a solution for you. From whole house filtration systems to portable purifiers, RKIN makes a wide selection of high-quality water filters tailored to any household needs. We focus on delivering products that are well built and user-friendly.
Browse by category
Collections
Home page
Zero Installation Purifier Replacement Parts
Zero Installation Purifier Replacement Filters
Drinking Water Filters
Air Purifiers and Components
Refurbished Products
Whole House Water Treatment Systems
Water Systems
Whole House Cartridges and Media
Misting Systems
Installation Kits
CBS Water Filter Systems
Self-Cleaning Spin Down Sediment Filters
Flash Undersink Reverse Osmosis System Replacement Filters
OnliSoft Pro Replacement Filters
CBS Series Replacement Filters
OP1L Replacement Filters
Dragon Replacement Sediment Filters
Undersink Systems
Best Sellers
Replacement Filters and Media
Water Pumps
Water Filter Systems
Water Softeners
Salt-Free Water Softeners
City Water Systems
Well Water Systems
insurance
TDS Meter
Best Selling Products
Newest Products
On Sale
Water Tests
Well Water Tests
UV Water Systems and components
U1 Pre-order
Limited-Time Promotion
Whole House Combo Water Systems
U1 Replacement Filters and Accessories
Local Pick-up or Install
Well Water System Combos
Countertop Drinking Water Systems
U1 Consumables and replacement cartridges
CS Consumables and replacement cartridges
OP1L Consumables and replacement cartridges
CBS-OPX-20 5GPM Consumables and replacement cartridges
CBS SF5M Consumables and replacement cartridges
CBS DC20 Consumables and replacement cartridges
CBS PPH-DC20 Consumables and replacement cartridges
CBS PPH-20 Consumables and replacement cartridges
Featured products
Popular right now
Zero Installation Purifier Pump UP-7000
USD 74.95
1 Year Extended Warranty For Refurbished Zero Installation P
USD 49.95
AlcaPure Edition Zero Installation Purifier Alkaline Post Fi
USD 31.99
Zero Installation Purifier AC Adapter
USD 17.99
Zero Installation Purifier Spout
USD 14.99
RKIN Replacement Reverse Osmosis Membrane 75 GPD
USD 74.95
AlcaPure Edition Zero Installation Purifier Replacement Filt
USD 79.95
Zero Installation Purifier and Flash Flow Restrictor
USD 13.99
Zero Installation Purifier Bottom Tank Switch
USD 11.99
Zero Installation Purifier Countertop Reverse Osmosis Water
USD 369.95
Zero Installation Purifier PCB Board
USD 24.97
Refurbished Zero Installation Purifier Reverse Osmosis Count
USD 299.95
Bottom Tank Gasket for Zero Installation Purifier
USD 6.99
Zero Installation Purifier Return Line Solenoid
USD 17.99
Strap Wrench for Easier Filter Removal and Replacements
USD 12.99
Bottom Tank Divider with a Funnel
USD 14.99
Quick Connect Fitting Stem Elbow 1/4 inch Female 1/4 inch Ma
USD 9.99
Zero Installation Purifier Wire Harness
USD 11.98
Pump UP-8000
USD 149.95
OnliSoft Pro Salt-Free Water Conditioner and Whole House Car
USD 2,173.50
Replacement Carbon Media
USD 169.95
OP1L Certified Whole House Lead, Cyst, PFOA, and PFOS Water
USD 1,641.70
OP1L Lead, Cyst, PFOA, and PFOS Replacement Cartridge
USD 399.95
Misting System Copper Nozzles
USD 29.95