Philips Respironics， PR System One Ultra Fine， CPAP Replacement Filters (6)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Replaces Respironics OEM# 1063096 </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Size: 1 3/4" x 7/8" </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Quality replacement filter at a fraction of the price </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31L-F6VZu-L.jpg" noproxy>