4" Carbon Filter with Pre Filter (4" Inlet/Outlet X 250mm Length)

These carbon filters come in many various sizes for your needs! they are made out of superior quality virgin australian activated charcoal. This tech captures up to three times more air contaminant without blocking airflow. Unlike your regular carbon filters, these air filters help get rid of the most pungent odours from your indoor grow tent. They can be used as an intake or exhaust filter.

Features
- highly effective, low density virgin carbon
- machine packed carbon enables 100% filtered air flow
- inner and outer mesh provides 53% open area allowing increased air flow
- includes changeable hook and loop pre-filter
- switchable filter flange and base for longer lifetime
- large selection of sizes available to fit any application
- removeable pre-filter

What's in the box
1x Filter
1x Pre-Filter