Refresh your home’s ventilation system with the Everbilt 18 in. 3‑Way Plastic Baseboard Diffuser in White, engineered for smooth, efficient air delivery. This diffuser fits standard 18‑inch baseboard openings and features a 3‑way directional design that disperses air evenly throughout the room for improved comfort.

Constructed from high‑quality, rust‑proof plastic, it’s an ideal upgrade from traditional metal diffusers—especially in areas prone to moisture or corrosion. The powder‑coated white finish offers a clean, modern look that complements any décor.

A built‑in, easy‑pull damper allows quiet, precise airflow control, while the lightweight design makes installation simple for homeowners and professionals alike. Whether you’re replacing an old register or outfitting a new HVAC system, this diffuser provides long‑lasting performance and reliable air circulation.

Key Features

• 18″ baseboard supply diffuser
• 3‑way airflow design for better room circulation
• Rust‑proof, impact‑resistant plastic construction
• Smooth‑glide damper closes quietly and easily
• Clean white finish blends with any interior
• Ideal for replacing metal diffusers
• Improves airflow and reduces maintenance