Duct reducers help when different size fans and ducting are used in a grow room. Made of plastic.
HOUSE & GARDEN COCO BACK IN STOCK! CHEAPEST 50L BAGS OF COCO ON THE MID NORTH COAST.
$22 – $27.50
THE GROW SHOP PRODUCT TIP: USE PLENTY OF DUCT TAPE TO JOIN THESE REDUCERS AND DUCTING.