AIR FILTER COMPATIBLE WITH: CHAINSAW MODELS: CS 370 400 CS 440 450 CS 510 520 CS 530 4400 CS 5000 6700 CS 8000 LOW TYPE D.64 H.31 HOLE: 45 ECHO - KIORITZ - HOKKAIDO Code: 008272 Original code: 130.300.3973.0 13030039730