Can-Filter Flanges Size:12 Inch the active ingredient in PFR-97

the active ingredient in PFR-97 20% WDG

It can be used on fruit and vegetable crops as well as for ornamental or turfgrass applications

The Grow-Cubes are a lightweight alternative to your regular potting mix

Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw

Mixes completely at room temperature

Can-Filter Flanges Size:12 Inch the active ingredient in PFR-97The flange is used to connect the Can Filter to the ducting or Can Fan; this is for airflow out of the ventilated area. These spun steel flanges come with a foam rubber seal and 6 hex drive self tapping screws forming a perfect seal with Can Filter products. Flanges range in size from 4 in to 20 in depending on your specific needs.