 F
ilter stack caps protect filters from dust and scratches while they are not being used.
Simply screw the filters together, then screw these stack caps on the top and bottom.
Made of aluminum, satin smooth finishing. A Filter Stack Cap consists of two metal caps, one male and one female. Your filters are secured in between.
Prices range from $10.00 to $15.00. Also see
Filter Wallets
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