Active Air Pre-Filters old rock-bottom Fulvex increases the availability of

Fulvex increases the availability of nutrients and enhances mineral diffusion into root cells without the use of harsh chemicals

Internal and external reflectors included

What is the difference between the six spectral options

Users can easily select the temperature unit (°C or °F) on the back panel

Active Air Pre-Filters old rock-bottom Fulvex increases the availability ofMake the most out of your Active Air filter with a corresponding Active Air pre filter. Find the matching size from our large collection, which is individually shrink wrapped with UPC code for easy display and sale. Why choose Active Air filters? All filters are maintenance free and feature long lasting activated virgin charcoal that keeps your air odor free. Inside each filter, the charcoal is carefully packed to ensure consistent and even air flow