Therm-O-Rock Vermiculite Organic 2 Coarse-2Cuft Generic - BJ Variable fan speed controller: it

Variable fan speed controller: it will correctly and precisely adjust the speed of your duct and inline fans

this result is measured under experimental conditions

magnesium and iron

Holds 8 oz

Therm-O-Rock Vermiculite Organic 2 Coarse-2Cuft Generic - BJ Variable fan speed controller: itTherm O Rock's lightweight vermiculite provides superb aeration, as well as moisture and nutrient retention when mixed with peat, bark, or compost. It is excellent for seed germination, prevents soil compaction, and promotes strong and fast root development. Coarse vermiculite can be used to mix with peat and compost for raised vegetable beds. Easy handling, loading, and unloading. OMRI listed.