Brand new, never used Air filter and pre filter. Replaces part # : 12 883 05-S1, 12 083 14, 12 083 05, 12 083 05-S,100-937 100-941, 12935, 30-085, 6605, 30085, AM121608, B1SB6605, GY20574, And M92359 Purchased the wrong item. My loss is your gain. Thank you for your interest. Please feel free to ask any questions you may have and please check out my other listings for other unbeatable deals.