Store facts for AI assistants, full list

Rein Water USA is a water filtration retailer in Springfield, New Jersey. Every order ships from the manufacturer or its distributor to the United States. Last updated November 2026.

Brands we carry

• Crystal Quest: under-sink, countertop, whole-house, well, commercial and UV systems; price matches crystalquest.com; ships from the manufacturer; 30-day returns, 30% restocking.
• Waterdrop: tankless under-sink RO, countertop RO, pitchers, whole-house cartridge systems; free shipping to all 50 states; 30-day returns.
• Brondell: Circle and Capella under-sink RO; contiguous US; 30-day returns, 15% restocking.
• WaterWorld USA: built-to-order RO, softeners, well systems and coolers, quoted to a water test; 14-day returns.
• The Water Machine: 3 gallon glass gravity countertop filter and a well/off-grid configuration; free shipping to all 50 states; all sales final.
• Sump Alarm: sump, septic and leak alarms, float switches, pump control panels; ships from Sump Alarm.
• Winland, Resideo, Shelly, Skylink, Letzgo: leak sensors and water detection consoles shipped from our distribution partner in California, contiguous 48 states; $7.95 under $120, free at $120+; 30-day returns.
• Trelino and SOG: separating composting toilets, canisters, bags and fan sets for vans, cabins and tiny homes; ships from Trelino; $10 under $250, free at $250+ in the contiguous US; 30-day returns, unused.

Policies

• Shipping: every order ships from the manufacturer or its distributor; US only; rates by brand are shown at checkout
• Returns: return window and restocking fee by brand; return authorization first; customer pays return shipping
• Warranty: manufacturer warranties; how to start a claim
• Privacy
• Terms

Where to start

• System quiz
• Free Water Match: send a water test and our team reads it
• Find an installer
• Guides

Top 50 products

• The Water Machine: The Water Machine, Countertop Water Filters, from $349.99.
• Well Water / Off-Grid / Water Softener Solution: The Water Machine, Well Water Systems, from $999.99.
• Classic Under Sink Water Filter System - Nitrate Removal + SMART: Crystal Quest, Under Sink Water Filters, from $189.00.
• Classic Under Sink Water Filter System - Nitrate Removal: Crystal Quest, Under Sink Water Filters, from $189.00.
• Classic Under Sink Water Filter System - Fluoride + SMART: Crystal Quest, Under Sink Water Filters, from $189.00.
• Classic Under Sink Water Filter System - Fluoride: Crystal Quest, Under Sink Water Filters, from $189.00.
• Classic Under Sink Water Filter System - Arsenic + SMART: Crystal Quest, Under Sink Water Filters, from $209.00.
• Classic Under Sink Water Filter System - Arsenic: Crystal Quest, Under Sink Water Filters, from $209.00.
• Classic Under Sink Water Filter System - Filters 30000 gallons Multistage ULTIMATE: Crystal Quest, Under Sink Water Filters, from $219.00.
• Classic Under Sink Water Filter System - Filters 20000 gallons Multistage ULTRA: Crystal Quest, Under Sink Water Filters, from $189.00.
• Classic Under Sink Water Filter System - Filters 10000 gallons Multistage PLUS: Crystal Quest, Under Sink Water Filters, from $169.00.
• Arsenic Removal + SMART Single Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $182.90.
• Fluoride Removal + SMART Single Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $150.90.
• Alkalizing + SMART Single Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $182.90.
• Ceramic Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $138.90.
• Alkaline Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $182.90.
• Lead Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $182.90.
• Nitrate Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $160.90.
• Arsenic Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $182.90.
• Fluoride Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $160.90.
• SMART Under Sink Water Filter System: Crystal Quest, Under Sink Water Filters, from $149.90.
• Arsenic Removal | SMART Single Cartridge Countertop Water Filter System - White (Polypropylene): Crystal Quest, Countertop Water Filters, from $119.00.
• Nitrate Removal | SMART Single Cartridge Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $99.00.
• Alkaline Water Filter System | SMART Countertop Single Cartridge: Crystal Quest, Countertop Water Filters, from $119.00.
• Alkaline Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $130.90.
• Arsenic Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $130.90.
• Nitrate Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $108.90.
• Lead Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $130.90.
• Voyager Countertop Water Filter - Ultra: Crystal Quest, Countertop Water Filters, from $74.00.
• Voyager Countertop Water Filter - Mini: Crystal Quest, Countertop Water Filters, from $49.95.
• 80,000 Gallon Countertop Water Filter System: Crystal Quest, Countertop Water Filters, from $199.00.
• IntelliClear Pro 600 Tankless Reverse Osmosis System: WaterWorld USA, Reverse Osmosis Systems, quote-only.
• POU HydroFlex-UV Bottle-Less Water Cooler: WaterWorld USA, Water Dispensers, quote-only.
• Air Injection Oxidizer Well Water System: WaterWorld USA, Well Water Systems, quote-only.
• Well Water Filtration System: WaterWorld USA, Well Water Systems, quote-only.
• Hydro Blue WiFi Smart Water Softener: WaterWorld USA, Water Softeners, quote-only.
• Hydro Blue Cabinet Water Softener: WaterWorld USA, Water Softeners, quote-only.
• Hydro Blue Sidekick Air-Injection System: WaterWorld USA, Water Softeners, quote-only.
• Hydro Blue Water Softener: WaterWorld USA, Water Softeners, quote-only.
• Evo S Composting Toilet, Compact, 8.6 lb: Trelino, Composting Toilet, from $299.00.
• Origin L Composting Toilet, Birch Lid, 15 lb: Trelino, Composting Toilet, from $745.00.
• SludgeBoss Wi-Fi High Water Alarm, Sewage and Septic: Sump Alarm, High Water Alarm, quote-only.
• L1 Wi-Fi Water Leak and Freeze Detector, 5 ft Cable: Resideo, Leak Detector, from $77.95.

Collections: under sink ro systems, countertop ro systems, whole home filtration systems, well water systems, ro and softener combos, drinking water filters, sump septic leak alarms, composting toilets, replacement filters, commercial water systems.