Click or scroll to zoom Tap or pinch to zoom RD R307CT 1/4" Double Barbed Tees by Rain Drip Sale $2.99 SKU 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Buy Now Double barbed design allows use with higher water pressures. For use with 1/4" (.160 - .197" I.D.) tube only. Creates a 1/4" branch from a 1/4" tube, or two 1/4" branches from a 1/2" hose. For water pressures up to 50 PSI.