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Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Complete Nutrient Packages

From beginner packages to advanced!

March Nutrients

Fabric Pot Blowout Sale

Gro Pro Fabric Pots on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!

Exhaust Filters

Popular Filter Flange Sizes:
4 Inch
6 Inch
8 Inch
10 Inch
12 Inch

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Hydrobuilder carries the carbon filters and carbon pre-filters you need to deodorize your grow space. We carry the latest in carbon filter technology as well as filters in variety of sizes to fit your grow. We also offer knowledgeable tech support to help with any installation or selection questions including fans, ducting, or accessories you may need. We have top brands like Covert Carbon Filter, Active Air, Can Fan Presh and more. 4" to 12" diameters with low prices and free shipping on many products.

Hydrobuilder carries replacement pre-filters for all the popular carbon filters and intake filters from top brands. Bug problems? Shop Hydrobuilder for bug and dust shields and screens with carbon inserts with carbon to help keep insects, bugs and dusts from your grow room environment. They work with your in-line fan setup and come in sizes from 4 inches to 12 inches to fit your ventilation setup.