Sometimes the little things make a big difference.  If you've had galvanized or zinc plated hose clamps in the past, you may have already wished for something better.  This marine-grade stainless steel hose clamp is the premium choice for attaching adapters and fittings to your "stinky slinky."  It is 1/2" wide and has a clamping diameter of 2-1/8" to 4", so it is perfect for your 3" hoses and fittings.