The Bird & Tole BTS493 Card Mounted Filter is designed for use with the In-Line Filter Holder Mk 2 (BTS 309
) and the Environmental Filter Card Holder (BTS 490
All cards are supplied with only ‘BIRD & TOLE’ printed discretely at the top, leaving a large area blank to accept printed bar codes or other information for identification purposes
The card measure 87mm x 60mm and a Whatman GF/A filter is mounted.
BTS493(W) - Whatman GF/A Filter mounted, 100 per box
BTS493(C) - Camlab GF/A equivalent, 100 per box
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