2-1/2in to 2in STR Reducer Hose Blue Tubing Coupler - Straight - Reducer - 2-1/2 in to 2 in ID - 3 in Long - 4.0 mm Thick Wall - Silicone - Blue - Each

2in ID to 2-1/2in ID Silicone Transition Hose Tubing Coupler - Straight - Reducer - 2-1/2 in to 2 in ID - 3 in Long - Silicone - Black - Each

2-1/2in Silicone Hump Hose Black Tubing Coupler - Straight - Hump - 2-1/2 in ID - 3 in Long - Silicone - Black - Each

Hose Clamps 2-1/2in OD 10pk No.32 Hose Clamp - Worm Gear - 2-1/2 in - Stainless - Set of 10

Hose Clamps 2-1/2in OD 2pk No.32 Hose Clamp - Worm Gear - 2-1/2 in - Stainless - Pair

Silicone Hose 45 deg Elb 2-1/2in ID x 4-1/2in Lng Tubing Elbow - 45 Degree - 2-1/2 in ID - 4-1/2 x 4-1/2 in Legs - Silicone - Black - Each