Mount these louvers into openings that are too small for most louvers. They are sized for use in block and brick walls.

The included filter cleans the air as it passes through these louvers.

Get an exact fit for your opening by sliding out these louvers to the width you need.

These gravity-operated louvers remain open only when air flows, preventing backdrafts.

Relieve heat buildup and prevent condensation from forming inside enclosures and other small spaces.

A spring-loaded fusible link locks the blades closed if the temperature reaches 167° F. Louvers meet UL 10C fire requirements.

Allow air to circulate through doors while maintaining privacy.

Install onto floor ducts to direct hot and cold air from your HVAC system.

Add a filter to these grilles for protection against dust and debris entering your HVAC system.

Diffusers come with a collar and damper already in place for simple installation.

Evenly disperse airflow into a room to maintain a consistent temperature throughout the space.

Place these diffusers in the grid of a drop ceiling to distribute air evenly throughout your space.

Commonly used with irrigation systems and laboratory equipment, these valves have NPT connections.

Prevent dirty, contaminated water from backing up into your garden hose line—install these valves between a faucet and a garden hose.