Rotary 7420 Foam Prefilter Fits Onan by Rotary $10.99 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Wrap (Prefilter) for Onan #140-2597 & 140-2199. REPLACES OEM ONAN 140-2255