Ring Panels & Links

Clean Air Matrix

RoboVent engineers are experts in every category of air filtration and ventilation. The four categories below represent the major options for treating your contaminated air. RoboVent has designed solutions for each of these categories and has manufactured air filtration systems of unrivaled quality.

For more information about these categories, see Indoor Air Quality 101.


Large blowers and air filtration equipment draw contaminated air from the plant (typically at the ceiling level), filter it and return it to the plant. This is a proven solution in plants welding large parts with overhead cranes. It reduces the haze in the air, resulting in a cleaner working environment, with no negative pressure or heat loss.


Air in the immediate area of the welding activity is captured in a hood system, then filtered and returned to the plant. This is the best solution whenever possible. It allows for a more flexible system and removes the smoke directly from the operator's breathing zone. There are many types of source capture, including overhead hoods, crossflow hoods, fume arms and fume guns, some of which work better than others.


Large exhaust fans draw contaminated air from the plant and exhaust it directly into the environment, typically through the roof or walls. This is a traditional method and often results in negative air pressure. Also, it is very difficult to climate-control your plant and the system may not work well in the winter.

Air in the immediate area of the welding activity is captured in a hood, sent through ductwork, and exhausted directly into the environment. This is a lower capital cost alternative to filtration, but tends to result in high operating costs and large, unsightly ducting systems that work less efficiently with modifications. It also results in negative pressure problems.

Ring panel and link air filters improve indoor air quality by removing contaminants from the air stream.  Link filters and ring filters have layered polyester filter media with a metal wire that is heat-sealed around the inside edges to hold the media open which means it does not require latches or clips like other types of filters.

This type of filter typically has a minimum efficiency reporting value (MERV) rating of 8. MERV ratings measure how efficiently a filter removes contaminants from the air based on the size of the particles it can capture. A higher MERV means it can capture smaller particles. Ring panel and link air filters are commonly used in commercial buildings, schools, and areas where surface finishing is performed.

Types of Ring Panels and Link Filters:

  • DustGuard Self-Sealing MERV 10 Panel Filter
  • Series 152 MERV 8 Two Ply Dry
  • Series 153 MERV 8 Two Ply Dry Tack
  • Series 154 MERV 8 Three Ply Wet Tack
  • Series 155 MERV 8 Four Ply Wet Tack


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