Replacement Electrolux Central Vacuum Foam Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Filter Measurements: 7 inches tall by 8 1/2 inches wide</li><li>Fits Models: This filter fits both Electrolux and Aerus central vacuums except models CV3271B， CV3219， CV3291C， CV3391A and CV3391D</li><li>Replace or clean every 30 days for best results and longevity of your central vacuum</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BeciFmOmL.jpg" noproxy>