| Seaira Global Watchdog NXT Dehumidifier HEPA Filter 3 Pack N-202 | 4jtotalsupply.com | 99.99 USD | 120 USD | −16.7% |
| Seaira Global Stealth 115 Basement Dehumidifier | 4jtotalsupply.com | 2400 USD | — | — |
| Seaira Global 120C Whole House Dehumidifier | 4jtotalsupply.com | 1700 USD | — | — |
| WatchDog NXT85c - 85 Pint Crawl Space Dehumidifier with Built-in Pump | crawlspacedoors.com | 1400.0 USD | — | — |
| WatchDog NXT60 Dehumidifier | purennatural.com | 1365 USD | — | — |
| Seaira Global Stealth 70 Dehumidifier | 4jtotalsupply.com | 1250 USD | — | — |
| WatchDog 600c - 60 Pint Crawl Space Dehumidifier with Built-in Pump | crawlspacedoors.com | 1150.0 USD | — | — |
| N-1201 NXT120 Merv 10 Filter 12 pack | 4jtotalsupply.com | 279.95 USD | — | — |
| N-1203 Replacement Carbon Filters | purennatural.com | 148.45 USD | — | — |
| W-519 Replacement Carbon Filter | purennatural.com | 139 USD | — | — |
| N-202 Replacement HEPA Filters | purennatural.com | 120 USD | — | — |
| Replacement MERV‑10 Filters 3‑Pack | purennatural.com | 120 USD | — | — |
| N-203 Replacement Carbon Filters | purennatural.com | 120 USD | — | — |
| W-112 Hanging Kit | purennatural.com | 118.7 USD | — | — |
| W-518 Replacement HEPA Filter | purennatural.com | 118 USD | — | — |
| WatchDog Return and Supply Duct Kit | purennatural.com | 100 USD | — | — |
| NXT Dehumidifier Duct Kit Supply & Return Collar – N-103 | crawlspacedoors.com | 100.0 USD | — | — |
| WatchDog W-100 Wired Remote Control for NXT Series Dehumidifiers | crawlspacedoors.com | 100.0 USD | — | — |
| Replacement Return & Supply Duct Kit (large) | purennatural.com | 100 USD | — | — |
| X-101 Remote Environmental Monitoring Station | purennatural.com | 100 USD | — | — |
| External Pump for Gravity Drain Dehumidifiers | 4jtotalsupply.com | 100 USD | — | — |
| Seaira Global Stealth 115 Dehumidifier Top Filter - 3 Pack | 4jtotalsupply.com | 99.99 USD | — | — |
| W-100 Remote Control | purennatural.com | 99.95 USD | — | — |
| MERV‑10 Replacement Filters | purennatural.com | 99.89 USD | — | — |
| W-517 Replacement MERV-8 Filter | purennatural.com | 89.2 USD | — | — |
| WatchDog NXT100/120 Series Pre-Filter (3 Pack) | 4jtotalsupply.com | 80 USD | — | — |
| Watchdog Replacement Pre-Filters | purennatural.com | 80 USD | — | — |
| Seaira Global Stealth115 Top Filter | 4jtotalsupply.com | 79.99 USD | — | — |
| Seaira Global Watchdog NXT120/NXT120C Merv-10 Filter 3 Pack | 4jtotalsupply.com | 75 USD | — | — |
| Watchdog WD900 and WD900C Merv8 Replacement Filters - 3 Pack W917 | 4jtotalsupply.com | 72.5 USD | — | — |
| Seaira Global Watchdog NXT60/600C/85/85C Merv 10 Filter 3 Pack | 4jtotalsupply.com | 60 USD | — | — |
| N-200 Replacement Pre-Filters | purennatural.com | 59 USD | — | — |
| Watchdog WD900 and WD900C HEPA Replacement Filters - single filter W-918 | 4jtotalsupply.com | 50 USD | — | — |
| WatchDog NXT 60/85/85C Pre-Filter 3 Pack N200 | 4jtotalsupply.com | 44.99 USD | — | — |
| Seaira Global Stealth 115 Back Filter 3 pack S-111 | 4jtotalsupply.com | 35 USD | — | — |
| Watchdog WD900 and WD900C Merv8 Replacement Filters - single filter | 4jtotalsupply.com | 30 USD | — | — |
| Seaira Global Stealth115 Back Filter S-111 | 4jtotalsupply.com | 29.99 USD | — | — |
| WatchDog NXT100/120 Series Pre-Filter (Single Item Only) N1200-1 | 4jtotalsupply.com | 29 USD | — | — |
| Watchdog NXT Series MERV-10 Replacement Filter - N-201 | crawlspacedoors.com | 26.0 USD | — | — |