Patent ID: 7025878

Claim:
A substantially clog-resistant, self-supporting fluid filter for attachment to an open end of a flow tube, said filter comprising: a substantially cylindrically non-tapered shaped grid having a first end and a second end, said cylindrically shaped grid comprising a first plurality of substantially parallel ribs crossed by and integral with or affixed to a second plurality of substantially parallel ribs at an angle to the first plurality of ribs thereby allowing a fluid to flow therebetween while preventing passage of substantially solid matter and debris intermixed with the fluid; a substantially circular shaped end cover being integral with or affixed to the first end of said cylindrically shaped grid; and a tube receiving portion having an opening and an inner diameter, said tube receiving portion adapted such that said flow tube can slide through said opening to a ridge formed by one of said first and second plurality of ribs, said ridge being inwardly offset with respect to said interior diameter of said tube receiving portion.