10 Pack Pre-Filter Replacement for Sielux Fume Extractor, 4.8" × 4.8" × 0.3" Smoke Purifier Pre Filters, Extends Filter Life, Captures Dust & Debris, Compatible with Sielux Smoke Purifier

10 Pack Pre-Filter Replacement for Sielux Fume Extractor, 4.8" × 4.8" × 0.3" Smoke Purifier Pre Filters, Extends Filter Life, Captures Dust & Debris, Compatible with Sielux Smoke Purifier

• COMPATIBLE WITH SIELUX FUME EXTRACTOR – These replacement pre-filters (10 pack) are designed to fit the Sielux Smoke Purifier perfectly. Each filter measures **4.8 × 4.8 × 0.3 inches**, ensuring a secure and proper installation.
• CAPTURES LARGE PARTICLES & PROTECTS MAIN FILTERS– The pre-filter traps larger visible particles including dust, wood chips, plastic scraps, iron filings, and more. It helps reduce clogging and **extends the life of the activated carbon and HEPA filters**.
• 100-HOUR LIFESPAN – Each box includes **10 pre-filter**. Replace the filters approximately every **100 hours** or when more than 70% of the filter surface is covered with dirt that cannot be cleaned, it’s time to install a new pre-filter.
• IMPROVES PURIFICATION PERFORMANCE– By blocking coarse debris before it reaches the inner filtration layers, the pre-filter keeps your purifier working efficiently and maintains a high purification rate.
• USE WITH ALL THREE FILTER STAGES – The **Pre-filter + HEPA Filter + Activated Carbon Filter** must be used together for optimal performance. Each layer plays an important role in the multi-stage filtration system and helps maintain cleaner air inside your workspace.