Eco Four Twenty Personal Air Refill set

The personal air filter cartridges by Eco Four Twenty last up to 500 exhales, and when that time comes simply pick up one of these replacement cartridges, and you will be ready for another 500.

Features:
Easy to use
High-quality materials
Replaceable cartridges
Long lasting
Lifetime warranty

What's In The Box
2x Air Filter Cartridges