HOUSING SPANNER KEY OPENNER

The Housing Spanner Key Wrench is a durable tool designed for opening and tightening water-filter housings used in water-treatment systems. It provides firm grip and leverage, making it easy to loosen tightly sealed filter canisters without damaging the housing. Ideal for domestic, commercial, and industrial water-filtration setups.

Made from strong, lightweight plastic (or reinforced material), it protects the housing from cracks while ensuring smooth, safe operation during filter changes.

FEATURES

• Opens and tightens water-filter housings safely

• Strong, durable construction

• Designed to fit common water-treatment housing types

• Prevents damage to plastic filter housings

• Easy grip for quick filter replacement

AVAILABLE SIZES

Suitable for most standard water-treatment housings:

• Slim Line Housing Wrench – Fits 4″ slim under-sink and RO housings

• Standard 10″ Housing Wrench – Fits 10″ × 2.5″ standard filter housings

• Big Blue 10″ Housing Wrench – Fits large-diameter 10″ Big Blue housings

• Big Blue 20″ Housing Wrench – Fits 20″ Big Blue whole-house housings

• Membrane Housing Wrench – Fits RO membrane housings (various models)