Brand facts · read November 2026
iSpring: what it sells, how it sells, and what it says
Facts from iSpring’s own pages and public certification listings. We don’t rate or rank brands.
Short answer
iSpring sells whole-house filters, salt-based softeners, salt-free conditioners, under-sink reverse osmosis and countertop reverse osmosis online and through dealers. 3 of its products appear in a public NSF, WQA or IAPMO certification listing.
iSpring’s website and public NSF/WQA listings, read November 2026 · Sources
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01 · Products
What iSpring sells
| Line | Price | Examples |
|---|---|---|
| Whole-house filters | $295store price | WGB21B / WGB22B / WGB31BC / WGB32B cartridge systems; WGB32B-PF and WGB32B-PFKS PFAS variants; WGB31BCM iron/manganese; WCFM400K/WCFM500K central iron-manganese filters |
| Salt-based softeners | See the brand | WCS45KG 45,000-grain softener; WCSTB45KG; WCS50KG Elite Series; softener + filter bundles |
| Salt-free conditioners | See the brand | ED2000 and EDV2 electronic descalers; WGB22B-DS / WGB31B-DS / WGB32B-DS polyphosphate anti-scale systems; WSP-SL spin-down with Siliphos |
| Under-sink reverse osmosis | See the brand | RCC7 / RCC7AK / RCC7AK-UV (tank); RO500 / RO500AK (tankless); RO600, RO800G, RO1000, RO10001F, RO1200AK, RO5004F (tankless); RCC1UP-AK, RCC1D/RCC1DP |
| Countertop reverse osmosis | See the brand | RCD100; RCD100HCG hot & cold; RCD100UHCG; RCD100SPKHC sparkling |
Names and prices as shown on iSpring’s site, read November 2026. Ranges span sizes and models; sale prices come and go. Check the brand for today’s price.
02 · Listings
Public certification listings
Products we found in NSF’s or WQA’s public directories, with the standards they’re listed under. NSF/ANSI 53 and 58 listings that name PFOA and PFOS, the two PFAS “forever chemicals” with federal limits, are the ones the U.S. Environmental Protection Agency (EPA) and NSF point to. What the numbers mean.
| Product | Listed by | Standards | PFOA/PFOS |
|---|---|---|---|
| RCC7 family tank RO systems made at the Nanjing, China facility | NSF | NSF/ANSI 58 | |
| RCC7 / RCC7AK / RCC7AK-UV made at the Taichung, Taiwan facility | NSF | NSF/ANSI 58 | |
| RO500 tankless RO | NSF | NSF/ANSI 58 |
03 · In their words
What iSpring says
"No. 1 RO Brand on Amazon US"
04 · Warranty
Warranty and guarantee, in iSpring’s terms
- Filters or housings
- One-year limited warranty against defects in materials and workmanship on any iSpring water filtration system; repaired/replaced products covered for the rest of the original term or 6 months, whichever is greater. Product pages advertise '1-Year Warranty' and 'Lifetime Tech Support'. Extended 3-, 5- and 10-year warranties are sold separately for whole-house and under-sink/countertop systems.
- Return window
- 30 days for a full refund if unopened and unused; opened, non-defective items returned within 30 days refunded less a 15% restocking fee. After 30 days, partial refunds on a sliding scale (unopened: 85% at 1-3 months, 65% at 3-6 months, 50% at 6-12 months; opened: 70% at 1-3 months, 50% at 3-6 months; nothing after 12 or 6 months). Buyer pays return costs except for defective items.
05 · At a glance
About iSpring
- Headquarters
- 2480 Industrial Park Boulevard, Cumming, Georgia 30041; brand says it is based in Greater Atlanta
- How it sells
- Sells from its own Shopify store with free shipping over a threshold, describes itself as the No. 1 reverse osmosis (RO) brand on Amazon US, and links a dealer locator and 'Become a Dealer' program on ispringwatersystems.com. Its warranty covers products bought from an authorized iSpring dealer or reseller.
- Installation
- Brand positions its systems as DIY installs, backed by manuals, YouTube videos and phone tech support. No installer network or installation service was found.
Does iSpring fit your water?
What you need depends on your water, not the brand: hardness decides whether a softener is worth it, and PFAS (“forever chemicals”) or chloramine decide which filter. Look up your city first, then compare.
Sources
Everything on this page is read from iSpring’s own pages or public certification directories. Claims are iSpring’s, in its words. We don’t test products.