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Pollen Filter (Comfort) H79 lengte standaard 1250mm ( model T18 en Glasmax ) - www.raamventilatieroosters.nl
![Stupid Question] How to open return vent (to replace filter) that has no screws? Looks like it has these pins but they don't move... : r/HVAC Stupid Question] How to open return vent (to replace filter) that has no screws? Looks like it has these pins but they don't move... : r/HVAC](https://external-preview.redd.it/I9nFm2tNO7uZGCZ0h9bM5IYuKBnWfDy8U0BtCWtIIsM.jpg?auto=webp&s=822c8bbcdf38c24147b48d009652d199d3183001)
Stupid Question] How to open return vent (to replace filter) that has no screws? Looks like it has these pins but they don't move... : r/HVAC
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