| Nelsen AIO 10"x44" System | watersoftenerplus.com | 1328.61 USD | 2,195 USD | −39.5% |
| Nelsen 5600 AIO 12X52 Sulfur System | watersoftenerplus.com | 1539.75 USD | 2,195 USD | −29.9% |
| Nelsen 5600 AIO 13x54 Iron System | watersoftenerplus.com | 1642.61 USD | 2,195 USD | −25.2% |
| NELSEN 5600 AIO 13X54 SULFUR SYSTEM | watersoftenerplus.com | 1787.97 USD | 2,195 USD | −18.5% |
| 210K Meter Twin Alt System w/2450 BT | watersoftenerplus.com | 6462.66 USD | — | — |
| 150K Meter Twin Alt System w/2450 BT | watersoftenerplus.com | 5987 USD | — | — |
| 120K Meter Twin Alt System w/2441 BT | watersoftenerplus.com | 5847 USD | — | — |
| Terminator Fltr Sys 2.5 CF | watersoftenerplus.com | 3565 USD | — | — |
| Terminator Plus Fltr Sys, 2 CF | watersoftenerplus.com | 3181.42 USD | — | — |
| Terminator Fltr Sys, 2 CF | watersoftenerplus.com | 3176.4 USD | — | — |
| Nelsen Scale Prevention System | watersoftenerplus.com | 2334.72 USD | — | — |
| Nelsen Scale Prevention System | watersoftenerplus.com | 1922 USD | — | — |
| Nelsen Scale Prevention System | watersoftenerplus.com | 1922 USD | — | — |
| Nelsen 48,000 Grain Metered Water Softener | watersoftenerplus.com | 1615.38 USD | — | — |
| AIO Katalox Media, 14x65 Tank | watersoftenerplus.com | 1507.16 USD | — | — |
| Nelsen Scale Prevention System | watersoftenerplus.com | 1495.18 USD | — | — |
| AIO Katalox Media, 13x54 Tank | watersoftenerplus.com | 1242.7 USD | — | — |
| AIO Sulfur Media, 14x65 Tank | watersoftenerplus.com | 1186.68 USD | — | — |
| AIO Katalox Media, 12x48 Tank | watersoftenerplus.com | 933.76 USD | — | — |
| AIO Iron Media, 14x65 Tank | watersoftenerplus.com | 863.44 USD | — | — |
| AIO Sulfur Media, 13x54 Tank | watersoftenerplus.com | 840.64 USD | — | — |
| AIO Sulfur Media, 12x52 Tank | watersoftenerplus.com | 756.38 USD | — | — |
| AIO Katalox Media, 10x54 Tank | watersoftenerplus.com | 732.5 USD | — | — |
| Classic RO Sys.-25 gpd w/Faucet Pkg | watersoftenerplus.com | 657.04 USD | — | — |
| Connected Series Backwash Filter Control Valve — CS-FILTER CONTROL, Connected Series Backwash Filter, CS-FILTER CONTROL | watersoftenerplus.com | 635.8 USD | — | — |
| AIO Sulfur Media, 10x54 Tank | watersoftenerplus.com | 574.12 USD | — | — |
| AIO Sulfur Media, 10x44 Tank | watersoftenerplus.com | 472.5 USD | — | — |
| Control system board for C-Series valve systems — WS2H/WS3 PS System Board | watersoftenerplus.com | 450 USD | — | — |
| AIO Iron Media, 13x54 Tank | watersoftenerplus.com | 403.44 USD | — | — |
| 12x52 Charcoal Composite Mineral Tank — CLPT1252-C, Nelsen 12x52 Charcoal Composite Min. Tank, C81252C61E01 | watersoftenerplus.com | 393 USD | — | — |
| AIO Iron Media, 12x48 Tank | watersoftenerplus.com | 387.91 USD | — | — |
| 50 lb Soda Ash in UPS Box for Water Treatment — ASH50-100-BOX, =Soda Ash, 50 lb. UPS Box, | watersoftenerplus.com | 349.2 USD | — | — |
| Nelsen 8x44 Charcoal Composite Mineral Tank — CLPT0844-C, Nelsen 8x44 Charcoal Composite Min. Tank, C80844C61E01 | watersoftenerplus.com | 343 USD | — | — |
| 24x50 inch round black brine tank for water softeners — BT2450-RC, Comm Brine Tank 24x50 Round Black, G22450CB1C00 | watersoftenerplus.com | 302.5 USD | — | — |
| AIO Iron Media, 10x54 Tank | watersoftenerplus.com | 297.52 USD | — | — |
| Nelsen 10x44 Charcoal Composite Mineral Tank — CLPT1044-C, Nelsen 10x44 Charcoal Composite Min. Tank, C81044C61E01 | watersoftenerplus.com | 297 USD | — | — |
| Brine Tank Asm. 18x33 Almond w/2310PU | watersoftenerplus.com | 269.97 USD | — | — |
| Brine Tank Asm. 18x40 Almond w/2310PU | watersoftenerplus.com | 266.03 USD | — | — |
| 24x41 inch round black brine tank for water softeners — BT2441-RC, Comm Brine Tank 24x41 Round Black, G22441CB1C00 | watersoftenerplus.com | 259.74 USD | — | — |
| 4-inch Canpro cartridge system with KDF55 media — CANPRO-455-160A, =4 Cart/Sys w/KDF55 Media 160A Perf Adp, CANPRO-455-160A | watersoftenerplus.com | 256.8 USD | — | — |