HEX-FILTER Modular Carbon Filter Housing

Universal Carbon Filter Housing — Modular VOC & Fume Extraction

Keep your workshop air clean. This 3D-printable filter housing connects to standard inline duct fans and holds activated carbon granulate to capture VOCs, solvents, fumes, and odors at the source.

Compatible with AC Infinity Cloudline, Vivosun, Hon&Guan, and other standard 4" / 6" inline duct fans.

What You Get

Instant digital download — STL files ready to slice and print. No physical item shipped.

• Filter housing (main body)
• End caps with duct collar
• Refill lid for easy carbon changes
• Optional mesh retainer ring

Applications

• 3D Printer Exhaust — Capture VOCs from ABS, ASA, Nylon, and CF filaments
• Resin Printer Ventilation — SLA / MSLA resin fumes
• Soldering Fume Extraction — Rosin and flux fumes
• Laser Cutter / Engraver — Wood, acrylic, and leather smoke
• Airbrush / Miniature Painting — Tabletop miniatures, scale models, figures
• Workshop General Use — Solvents, epoxy, spray paints
• Indoor Gardening — Odor neutralization
• Mushroom Cultivation — Spore filtering

Specifications

Print Settings

PLA works for low-heat applications (indoor gardening, airbrushing) but is not recommended for hot exhaust streams from resin printers or soldering stations.

You'll Also Need

• Activated carbon granulate (RC48 grade or better, roughly 4x8 mesh)
• Silicone sealant (optional, for airtight joints)
• Fine mesh fabric (optional, pre-filter for particulates)
• Aluminum or PVC duct tape

Why This Design

Most off-the-shelf carbon filters are either overpriced grow-tent units or disposable cartridges that can't be refilled. This housing is designed to be rebuilt, refilled, and reused — swap the carbon when it saturates instead of tossing the whole filter. The modular end caps let you adapt the same body to different duct sizes or fan brands.

Important Notes

This is a DIY project. You are responsible for the safe installation and operation of your ventilation setup. Carbon filtration reduces VOCs and odors but does not replace proper room ventilation for hazardous processes. Always follow the safety guidelines of your tools and materials (resin, solder, solvents, etc.).

Files are for personal use. Commercial printing and resale of printed parts is not permitted without a license — message me for commercial terms.

Questions?

Drop a comment or reach out: [email protected]