12x20x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack Light Movers Hangers Contains two dual-ball bearing blowers

Contains two dual-ball bearing blowers with PWM-controlled motors to minimize noise

providing immediate nutrient availability for peak growth performance

Red and UV

Perlite -horticultural grade

This formula ensures immediate availability of nutrients to plants

12x20x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack Light Movers Hangers Contains two dual-ball bearing blowersNordic Pure 12x20x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while