The RIDGID 3-Layer fine replacement filter features 3 layers of filtering material that captures particles too small to be seen by the naked eye. The pleated design offers a large surface area to trap superfine and dirt. Designed for use with wet dry vacuums.
Ridgid 26643 VR3500 3-Layer Filter for WD4050. The 26643 3-Layer Ridgid Wet/Dry Vac Replacement Filter offers 3-Layer filter material. The 26643 filter also captures superfine particles too small to be seen by the naked eye. The Ridgid 26643 has a pleated design with a greater surface area that resists clogging more than the competition. Fits the Ridgid 4 gallon portable pro vac - WD4050, which was replaced with the WD4070 (sold separately).