Lossnay Replacement Pre Filters LGH F1200RX5 E1 8 Pack Ductless Filters 0 coarse pre filter captures label__Ships in 3 to 5 Days 0 coarse pre filter captures particles 100+ microns washable and reusable or disposable Stage 2 H1902 — 2" pleated particulate pre filter captures particles 10–100 microns Stage 3 (optional) VL2002 — 2" VAPOR LOCK® high capacity carbon filter for gases and odors not included replaces or supplements Stage 2 Final Stage HEPA H2418 99 — high capacity metal frame HEPA filter certified 99 Photronic SBS: 92 010 This Set Includes Eight (8) Pre filters Replace the pre filters annually to preserve the effectiveness and longevity of the Core filter