$This listing is for a thirty-six (36) pack of new foam filters manufactured exclusively for: ---All Philips respironics REMstar M-Series machines ---Philips respironics Sleepeasy Comparable to Respironics # 1029330 Approximate Dimensions: 1 5/8" x 7/8" Due to hygiene purposes, this item is not returnable. If merchandise is damaged, return will be exchanged with the same item. Actual shipping charges paid by the seller are non-refundable.
eBay