Ingersoll Rand Part No. IR23011018 Pad, PDM Air Filter (Pfannenberg) NEXT DAY SHIPPING MAY BE AVAILABLE FOR THIS PART. Please call us at (877)-314-4376 from 8AM - 5PM Central Time M-F to check availability and order. Next Day Air shipping may incur an additional $75 flat fee on top of shipping costs; unfortunately, this is a new policy from Ingersoll Rand for all emergency/expedited orders.