Save time and money by coupling the convenience of a Hydro Flow® manifold with the emission device choice of all growers, the Octa-Bubbler®. Growers asked and we responded, adding valuable time back into your days by assembling a PVC tee, PVC nipples and ball valve to provide a quality irrigation delivery device. Now available with a 3/4 and 1/2 inch tee and in 2, 6, 10 and 20 gallon per hour flow rates.