8mm barb x 3/4" FHT Adapter Pinit $4.84 Quantity discounts available QuantityPrice SKU: IG16056 Retail Price Quantity -+ Add to Cart Details 8mm barb x 3/4" FHT Adapter. Great for use with flow controller rings or converting garden hose fittings to 8mm. Details Back Details8mm barb x 3/4" FHT Adapter. Great for use with flow controller rings or converting garden hose fittings to 8mm.