Hydroclean Next Fill Valve Blue/Gray Plastic Hydroclean HC660 HydroClean" Fill Valve Features Patented mini-valve lets you adjust the amount of water directed to the bowl and can save over 3,000 gallons of water each year caused by overfilling the bowl Patented float lock allows you to make minor repairs in the tank without shutting off the water Positive locking allows you to make height adjustments with a simple 1/4 turn, without needing to remove the valve from the tank USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.