Glasfloss Industries PRP2020-10 Phoenix Series 1-Inch Poly-Rings， Case of 12<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>100% Non-Woven Polyester Media</li><li>MERV 8 Performance for PR-10 &amp; PR-20</li><li>Self-sealing Media Gasket</li><li>Heavy Duty Moisture-Resistant Construction</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41c0a%2Bzz3YL.jpg" noproxy>