https://www.karatesupply.com/Moo-Duk-Kwan-Patch_p_1260.html
Moo Duk Kwan Patch-08-036P
Moo Duk Kwan Patch-Moo Duk Kwan Patch. Size 3-1/2 inches in diameter
moo duk kwanpatch
https://www.comprag.com/en/comprag/product/14222104.php
Filter element EL-036P 14222104
Filter element EL-036P 14222104
filter element