this product works best on Wood

high density polyethylene sump basin offers a true 30 gallon capacity coupled with the ability to accept a wide variety of fittings and steel or structural foam covers

The minimum size duct allowed on most range hoods is 3-1/4″ by 10″ which is equivalent to a 6″ round

Nom Press Connect with 3/8 in

Space placements at intervals of 8–12 ft

1/8 X 6 BLK NIPPLE (150/25) COPPER PRESSFIT-FPT ADAPTER this product works best onBlack steel nipples and pipe offer a secure method of transporting plumbing mediums. General uses for this product are for transporting lubricant, oil, grease, LP gases & fuel or to create your own DIY projects. This pipe style is designed for use with other black malleable iron fittings.