13x25x1 MERV 8 AC Furnace Filters 12 Pack Reflectors & Grow Lights • Durable translucent white plastic

• Durable translucent white plastic bulb cover guarantees long life

5-inch long twin blades

Make applications at the end of a light cycle or just before dusk to prevent foliar damage

Extra oxygen stimulates protein production at the cellular level in your plants

Manganese and Zinc

13x25x1 MERV 8 AC Furnace Filters 12 Pack Reflectors & Grow Lights • Durable translucent white plasticNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters