Suction/Layflat T-Bar Hose Clamp - This is the best clamp for constant, even pressure on non-corrugated or layflat hose or tubing.
Puri Tech Durable Pool Filter Hose 2 Pack Above Ground 4 Hose Clamps 1.5 in x 3 ft Black - Walmart.com
Amazon.com: Kyuionty 50Pcs Spring Band Clips 1/2" 12mm Air Hose Tube Water Pipe Fuel Hose Line Vacuum Hose Clamp, Fit 12.5-13mm OD (Black) : Office Products
Green 4" x 20' Camlock Suction Hose
100000797 PVC Vacuum Hose Clamp
Amazon.com: uxcell 10pcs 4mm Spring Band Type Action Fuel/Silicone Vacuum Hose Pipe Clamp Low Pressure Air Clip Clamp, Zinc Plated : Automotive