• 【COMPATIBLE & PERFECT FIT WITH VARIOUS SLEEP EQUIPMENT MACHINES】- Fits All Philips Respironics M Series, PR System One Series, SleepEasy Machine! Each filter to fit your machine precisely.
• 【PREMIUM QUALITY CLEANFLOW TECHNOLGY】- The reusable black foam filter is to block large particulate matter, the disposable white ultra fine filter is to block fine particles. Use them together to provide the cleanest air.
• 【KEEP YOUR MACHINE RUNNING LONGER AND MORE EFFICIENTLY】- Not Only Do Our Filters Help Keep Your Lungs Clean, But It Also Prevents Dust, Dirt, and Other Buildups from Entering Your Motor.
• 【30 PCS ECONOMICAL SET】- Include 15 Pcs Reusable Black Foam Filters and 15 Pcs Disposable White Ultra Fine Filters, replace your filter every two weeks is recommended. But if you are in a particularly dirty or dusty environment, you may choose to replace your filters more often. This one set full satisfy at least one year needs.

Shipping & Handling:

We only ship within the continental 48 U.S. states.  We're unable to ship this item to:

• Forwarding addresses

• Alaska, Hawaii, Puerto Rico, Guam, Virgin islands.

• APO/FPO/DPO addresses

• P.O.BOXES - please provide a physical address!

• Internationally.

• Your order will be processed within 1-3 business days once the payment has been received.

• Standard shipping typically takes 3-10 business days.

• We do not offer combined shipping services

Return Policy:

• We offer a 14 day return policy from the receiving date. Please contact us for a Return Merchandise Authorization (RMA) number.

• All items purchased must be return in the same condition as they were delivered in and in original packaging. They can not have been assembled and disassembled.

• Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem.

• Return shipping fees are not refundable. Buyer pays shipping both ways. 10% handling/restocking fee for returns - starting at time of sale. Buyers remorse, finding the item on sale or price variation is not a valid reason for return.

Taxes:

• Taxes are charged as determined by your State.

Feedback:

• Your satisfaction is very important to us! If you have any problem with your order, please contact us and we will do our very best to make you satisfied.

• As long as you are happy with your purchase, please leave a positive feedback for us.

• We will always leave you a positive feedback in return.

• If you have any problem with your purchase, please do not leave a negative feedback. Please Contact us first.