Elevate your home's air quality with our ducted air intake filter size is 775x330mm, a top-tier product from filter-specialists. This airconditioning return air filter is designed for effortless installation—just take the old, dirty one out and pop the new one in to immediately enjoy cleaner air. As ventilation filter experts, we prioritize your health and comfort, ensuring that our filters help improve your air quality while maintaining peak system performance. 
Please check that the size is right for your system before purchase. 
We can also make them without the aluminium frame so that the media is sawn onto a piece of wire.