I am selling 2 sets of 5 ventilation vent filters from Filter Com, for a total of 10 filters. The size is φ143, inner diameter φ25. They are new, unused, and unopened. [Brand] Filter Com [Size] φ143, inner diameter φ25 Thank you. Compatible ventilation vents: Bakuma Kogyo REPF-150, REP-150J, REPD-150J (3 types) Size: Diameter 143mm, Hole diameter 25mm, Thickness 11mm (±1mm) *This product is not a genuine Bakuma Kogyo product, but a compatible filter. A compatible filter is a filter manufactured by a company other than the ventilation vent manufacturer, but which is compatible. Ventilation vent filter Air supply vent filter 24-hour ventilation filter Filter Com