Air Box 1 Stealth Edition 4" Carbon Filter spl_hi Just 4 liters (approximately 1

Just 4 liters (approximately 1 gallon) can make up to 4000 gallons

It is sturdy and durable

Is it waterproof

or other processes

IP65-Rated Water Resistance: Armed with a unique transparent

Air Box 1 Stealth Edition 4" Carbon Filter spl_hi Just 4 liters (approximately 1Description Airbox 1 Carbon Filter: This unit comes with 4" flanges and a CFM of 500. With an airtight design, the Airbox 1 Carbon Filter is straightforward to install and maintain. It can conveniently fit any ducting or filtering system, making it versatile for any environment. Quality Composition: Constructed with 100% premium virgin coconut charcoal, this filter guarantees high quality performance. Furthermore, it features replaceable high flow