Product Overview This is the Grid Filter for Invacare Oxygen Concentrators. Please see Diagram 7 in the photo.This filter is compatible with most Invacare Oxygen Concentrators. 1 Each / Each Part Number(s): 1107400 Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 excellent product Posted by on Apr 15th 2017 nice product, great price