Netafim Guardian Air/Vacuum Relief Air Vent Grow Light Accessories Each barrel is hand ground

Each barrel is hand ground and polished to help prevent contaminants

Your Plants Might Suffer Serious Deficiencies

Critical Extract Bucking Machines will pay for themselves in your first harvest (in as little as 10 acres)

and an overall healthier indoor garden

and support

Netafim Guardian Air/Vacuum Relief Air Vent Grow Light Accessories Each barrel is hand groundNetafim Guardian Air Vents Made of corrosion resistant UV protected composite materials. These large capacity vents dampen water hammer preventing pipes and fittings from cracking and bursting. Optional shrader valve is ideal for measuring local line pressure. Why Guardian Air Vents Guardian Air Vents proven design provides more air release capacity than other vents of similar size. Commonly used to break vacuum caused by system draining. Product