in 7 offers
The lowest price for Winix 9800 4-Stage True HEPA Air Purifier with WiFi & PlasmaWave Technology right now is $436.87 at FiltersFast.com, compared across 5 retailers.
The all-time low was $424.77 on 9 Sept 2026 — today's price is 3% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 1 Nov 2026.
Winix 9800 4-Stage True HEPA Air Purifier with WiFi & PlasmaWave Technology
Last updated at 01/11/2026 23:07:57
Winix 9800 Large Room 4-Stage True HEPA Air Purifier
Delivery $17.09
Winix 9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Delivery $370
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Delivery between 8–11 Nov $29
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Free delivery between 11–13 Nov
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Free delivery between 11–13 Nov
Winix 9800 Large Room 4-Stage True HEPA Air Purifier
Delivery $17.09
Winix 9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Delivery $370
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Delivery between 8–11 Nov $29
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Free delivery between 11–13 Nov
9800 4-Stage True Hepa Air Purifier with WiFi and PlasmaWave, 500 Sq Ft,Black,Large
Free delivery between 11–13 Nov
