Traps 99.97% of dust and pollen down to 0.3 microns. Slightly tapered: 3.25\ in diameter at the bottom. 2.75\ in diameter at the top. Replace every 3 to 6 months.

Part number 3JC0280000 is compatible with models M087900. M087600B. M088175. M085845RED. M088525B. M086935CA. UD40235HD. M088175TT. M085840HD. M085525. M088990HD. M088300SC. M088162HD. M088520ST. M085845RDI. M088400BK. M088700. R088300. M088150. M088525. M085830. M086930CA. M088800. M086700WCA. M088705. M086935. M087900QVC. M088450B-1. M088105. M086935ST. UD40330. M087900SV. M091800HD. UD40090. M088150CA. M085845. MHDU300. M088160HD. M088805. M088155. M085810. M087800. M086935SV. M088161HD. MHDU200. M088160BHD. M088905. M088100. M087700. M091600. M088100W. M088300CA. M086940K. UD40135. M091700. M086930. R087800. M088400. M087800W. M091750. M088110. UD40235. M088520. M087500CA. UD40130. M091950A. M088160RED. UD40140. R088100. M087900CA. MRY6100. M087500. M085800. R086700. M086935K. M088520CA. M085835. M088700B. M086935B. M085830T. M086700. UD40235DI. M087800CA. M088300B. M088520SV. M088115. M088160. M088525BK. M088300. M088400B. M086940. M088400B-1. M085806. M086700W. M088300GC. M088100CA. M088160RHD. M088110HD. M088450B. M088900. M086935RC. M085805.