Nitrate Removal Inline Filter RO Cartridge

Nitrate removal inline filter cartridge for pre/post-point-of-use reverse osmosis systems, ice makers, and water coolers. Requires manual salinity regeneration every 20–30 days depending on nitrate levels. Regeneration process: dissolve salt in water, soak cartridge 1–2 hours, rinse with tap water, reinstall.

Shipping rates are calculated at checkout based on weight and destination. Most orders ship within 1-3 business days directly from the manufacturer's warehouse; ground delivery typically takes 3-8 business days.

See our Shipping Policy for full rate and delivery details. Questions? Contact contact@reinwaterusa.com.

Replacement filters are covered by manufacturer warranty against defects in materials and workmanship. Contact contact@reinwaterusa.com within 30 days of delivery for return authorization.

Note: Installed or opened filter cartridges cannot be returned.