Hydrofarm Bug Shield, 8" Ona Products It encourages early growth

It encourages early growth

“It’s easy to tell when your plants are supercharged

You don’t need any fancy meter for that—it’s visually apparent

When the pre-filter becomes visibly dirty and discolored after several weeks

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Hydrofarm Bug Shield, 8" Ona Products It encourages early growthBlock the bugs and so much more! Our Bug Shield plastic mesh bug screen catches insects of all kinds, as well as stopping potentially damaging fungal spores. Use it on your fans and ducting, as it is suitable for both intake and exhaust purposes. The Bug Shields feature washable materials, an elasticized opening, and an adjustable drawstring to seal off a perfect fit.