Special Order Note: Returns for Air Boxes not used are 14 days from the time of delivery. There is a 30% restocking fee and must pay for return shipping. This is the Air Box manufacturers return policy.
Refill cartridge for Air Box 4+ Plus. Single Filter.
This refill cartridge size is suitable for Airbox 4+. Air Box filters usually last 18-24 months but may vary depending on temperature, moisture and other environmental conditions.
(IMPORTANT: Order 1 OR 2 OR 3 cartridges as required for your Air Box unit)