High-quality, long lasting, cotton-wound filters for use on QSS or similar processors.  Choose size from the drop down list.  These are sold individually, not by the box or case. 

H029037-00U  (Size: 46mm x 122mm 30mm inside core)
H029042-00  (Size: 35mm x 123mm 14mm inside core)
H029049 (Size: 27mm x 112mm 11mm inside core)