Backflow Protection - The air gap built into the fill cap prevents excessive pressure buildup
and the best yield under HPS lights
Pro-Silicate is a nutritional silicate additive containing potassium and silicon
Coarse Perlite
This prevents infection and stunts the growth of established foliar diseases like mildews and rusts
3M Full Face Respirator - 6900 Model bioinsecticide Backflow Protection - The airRecommended applications include assembly, chemical cleanup handling, chemical splash, chiseling, cleaning, furnace operations, grinding, laboratories, machining, masonry, painting, sanding, sawing, and more Meets the requirements of the ANSI Z87. 1 2010 standard, high impact level for eye and face protection Large lens for excellent field of vision Durable protection The 6000 Series full facepiece respirator is crafted from lightweight, yet durable