TriStar Vacuum Filter Fresh Ultra 2000 Filter ElementGenuine TriStar Part Genuine TriStar Vacuum Filter Fresh Ultra 2000 Filter Element Part Number: CO-1735, 70027This Ultra 2000 Filter Element is part of Filter Fresh Sub Micron Filter System. Filter itself is made from paper, and special construction has made it possible to provide 135 sq. inches of filtering area. A large surface area is required in order to filter the smallest particles, without restricting the airflow. The material in this application captures particles 0.5 micron in size at a 99.9 efficiency rate. NOTE: The Ultra 2000 Filter Element has to be replaced every six months or more often under heavy use.The Filter Fresh Sub Micron Filter Element will work with following TriStar models: 2-51 2-54 2-101 2-102 Included: One Filter Condition: New Guarantee:No guarantee and/or warranty on parts, supplies and/or components. Shipping:FREE insured shipping with tracking within continental US. Each additional item Ships at NO CHARGE!AK, HI and the rest of the World - actual UPS or US Postal Service shipping plus $3.00 handling fee.Payment:Payment MUST be received by us within one week after end of the product.Dead on Arrival: If system is broken or is not functioning properly right out of the box – please call us within 3 business days after the item was delivered. Please do not discard packaging as we may have to file claim with the shipping company.Missing Parts:If system or parts order is missing components or parts – see packing list or receipt for number of boxes or backordered items. If you have all boxes and nothing is on the backorder call us within 3 business days after the item was delivered.Returns and Refunds:Buyer may return the item within 7 business days after he/she receives the item. Buyer ships it back to us at his/her own expense. We will issue the refund within 1 week less shipping and handling and 15% restocking fee.