304 Stainless-Steel Hose Clamp, 3-1/8" to 4", SAE Size 56 from NORMA
With 9mm-wide (3/8") non-perforated bands, and made of stainless steel, these clamps feature rolled-up edges to prevent hose damage. We recommend two clamps per hose end below the waterline. Hoses are measured by inside diameter, so select a clamp with a maximum opening at least 1/4" larger. Designed to evenly distribute tension force . Work well in many different applications with a high mechanical load .

316 Stainless-Steel Hose Clamp, 7/16" to 11/16", SAE Size 3 from ABA OF AMERICA
Hose clamps you can trust now and later Trust these clamps for secure hose connections. All components are Type 316 stainless steel for ultimate corrosion resistance. The smooth, unperforated band surface and rolled edges prevent hose damage. Band and screw threads are properly pitched, rendering the clamp virtually immune to vibration-caused back-off. Hoses are measured by inside diameter, so use a clamp with a maximum opening at least a 1/4" larger .

Series 250 Exhaust Hose, 2-3/8"ID, 2-3/4"OD, 230psi Burst Pressure from SHIELDS RUBBER
For use in all marine water and wet-exhaust applications. Also for marine wet-exhaust where connection requires great length (greater than 4 x ID) or significant bend. Meets or exceeds standards for certified wet-exhaust hose. Sold by the foot with a maximum continuous length of 10' except where preceded by an asterisk, which indicates a maximum continuous length of 50'. Construction: Black synthetic rubber with wire helix and HD synthetic cord . Temperature Range: –20° to 200° F .

Series 250 Exhaust Hose, 7/8"ID, 1-3/16"OD, 565psi Burst Pressure from SHIELDS RUBBER
For use in all marine water and wet-exhaust applications. Also for marine wet-exhaust where connection requires great length (greater than 4 x ID) or significant bend. Meets or exceeds standards for certified wet-exhaust hose. Sold by the foot with a maximum continuous length of 10' except where preceded by an asterisk, which indicates a maximum continuous length of 50'. Construction: Black synthetic rubber with wire helix and HD synthetic cord . Temperature Range: –20° to 200° F .

1/2" NPT Pipe, 1/2" Hose ID from SEAFIT
Nylon Fittings, Female Pipe-to-Hose.

Sight Glass for ARG-500 Strainer from GROCO
ARG-Series Strainer Parts & Repair Kits Baskets: Stainless steel or nylon. Sight glass.