Andreae Concertina Spray Booth Extract Filter – 0.9m x 9m (AF813)

Andreae AF813 Standard Spray Booth Extract Filter

Upgrade your paint booth’s exhaust system with the Andreae AF813 Standard Filter. Each roll measures 0.9m x 9m and is engineered to outlast traditional fiberglass and flat media.

Constructed from dual layers of heavy-duty, punched, and pleated kraft paper glued together, this reliable accordion filter relies entirely on pure paper mechanics to provide exceptional paint arrestance without sacrificing airflow.

How Inertia Separation Works

Unlike standard mesh filters that suffer from face-loading, Andreae filters utilize inertia separation. As the paint-laden airflow travels through the filter, it is forced to change direction multiple times. Because overspray particles are heavier than air, they follow a tangent trajectory and crash into the deep, V-shaped holding pockets. This deposits the paint outside of the direct airflow, allowing clean air to exhaust efficiently.

Key Benefits

• Superior Holding Capacity: Holds up to 5 times more overspray than standard fiberglass filters.
• Zero Bounce-Back: The V-shaped front wall prevents particle migration and overspray bounce-back.
• Consistent Airflow: Misaligned exhaust holes ensure static pressure increases slowly, maintaining a uniform airflow around the parts being sprayed.
• Maximum Uptime: Fewer filter changes mean less downtime and higher spray booth productivity.
• Eco-Friendly & Safe: Provides a cleaner environment for operatives while remaining easy to install and dispose of.

Technical Specifications & Performance Data

General Specs:

• Dimensions : 90cm (Height) x 9.1m (Length)
• Recommended Air Velocity : 0.25 – 1.00 m/s
• Max Recommended Pressure Drop : 128 Pa (Absolute max up to 256 Pa)

Holding Capacity (Load):

• Lacquers : 10 kg/m²
• High Solids : 15 kg/m²
• Polyester : 18 kg/m²

Filtration Efficiency:

• Lacquers : 90.0%
• High Solids : 97.0%
• Polyester : 98.1%

Pressure Drop:

• 0.5 m/s : 20 Pa
• 0.75 m/s : 30 Pa
• 1.0 m/s : 40 Pa