GROCO BM-9 Monel Basket - 3.1" x 11.3"

The GROCO BM-9 Monel Basket is a replacement raw water strainer component engineered for marine and offshore applications where corrosion resistance is non-negotiable. Manufactured from high-strength Monel—a nickel-copper alloy prized for its superior performance in saltwater and chemically aggressive environments—this 3.1" diameter by 11.3" length basket delivers the durability and reliability required on vessels operating in harsh coastal and open-water conditions.

Monel construction offers measurably better corrosion resistance than stainless steel in saltwater applications, making it the preferred material for through-hull strainers where galvanic corrosion and pitting can compromise performance. The BM-9 features an improved handle design for easier extraction and cleaning during routine maintenance. At 3.1 inches in diameter, this basket is sized to fit GROCO's ARG-2515 and 932-1500 strainer housings, making it an exact-fit replacement when the original basket requires service or upgrade.

This basket is essential for cruising sailors, commercial fishing operations, and marine facilities that depend on raw water cooling systems for engines, heat exchangers, and auxiliary systems. Replacement intervals vary based on water quality and debris load, but maintaining a clean strainer basket prevents flow restriction, temperature spikes, and equipment damage. The BM-9 Monel basket is stocked as a spare part by experienced mariners who understand that preventive maintenance and high-quality replacement components extend system life and reduce downtime.