The full black spare filterslots for a Haida M10-II filterholder are available as a single filterslot (for 1 o2  3 filters), per 2 (for 1 or  3 filters) or as a set of 4 ( 2×1 + 2 x 3 filterslots)

• 1 x filter slot for 1 filter
• 2 x filter slot for 1 filter
• 1 x filterslot for 3 filters
• 2 x filterslots for 3 filters
• 1 set with 2  filterslots for 1 filter + 2 filterslots for 3 filters.