{"product_id":"washable-folding-filter-grundig-cyclonic-21-6v-invictus-domo-vacuum","title":"Washable Folding Filter for Grundig Cyclonic 21.6V Vacuum","description":"\u003cp\u003eKeep your vacuum running at peak performance with this \u003cstrong\u003ewashable, reusable folding filter\u003c\/strong\u003e — a direct-fit replacement designed for Grundig Cyclonic 21.6V, Invictus 1, and Domo 21.6V cordless vacuum cleaners. Simply rinse, dry, and reuse for long-lasting, cost-effective maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Replace Your Vacuum Filter Regularly?\u003c\/h2\u003e\n\u003cp\u003eA clean filter is essential for maintaining strong suction and protecting your vacuum's motor. This folding filter captures fine dust particles and helps keep exhaust air cleaner — making it a smart, eco-friendly alternative to single-use filters. For guidance on maintaining healthy indoor air quality, visit the \u003ca href=\"https:\/\/www.epa.gov\/indoor-air-quality-iaq\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Environmental Protection Agency's Indoor Air Quality resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Reusable:\u003c\/strong\u003e Rinse with clean water and allow to air dry completely before reinserting — no disposables needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects the Motor:\u003c\/strong\u003e Filters out dust and fine particles from exhaust air, helping to extend the life of your vacuum's motor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFolding Design:\u003c\/strong\u003e Flexible, compact construction for easy removal, cleaning, and reinstallation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Fits a broad range of Grundig, Domo, and Invictus cordless vacuum models (see full list below).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoose Your Pack Size:\u003c\/strong\u003e Available in a 1-pack or 2-pack to suit your needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Models\u003c\/h2\u003e\n\u003cp\u003eThis replacement filter is compatible with the following vacuum cleaner models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGrundig Cyclonic 21.6V\u003c\/li\u003e\n  \u003cli\u003eDomo 21.6V\u003c\/li\u003e\n  \u003cli\u003eInvictus 1\u003c\/li\u003e\n  \u003cli\u003eVCH9629, VCH9630, VCH9631, VCH9632\u003c\/li\u003e\n  \u003cli\u003eVCH9829, VCH9832\u003c\/li\u003e\n  \u003cli\u003eGMN9080, GMN9081, GMN9082, GMN9083\u003c\/li\u003e\n  \u003cli\u003eGMS2500, GMS2550\u003c\/li\u003e\n  \u003cli\u003eBKK 1421, K 6120\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces OEM Part Numbers:\u003c\/strong\u003e Grundig 917800890 \/ 9178008590\u003c\/p\u003e\n\n\u003ch2\u003eHow to Clean Your Filter\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eRemove the filter from your vacuum cleaner.\u003c\/li\u003e\n  \u003cli\u003eTap gently to dislodge loose dust.\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly under clean, lukewarm water.\u003c\/li\u003e\n  \u003cli\u003eAllow the filter to \u003cstrong\u003eair dry completely\u003c\/strong\u003e (at least 24 hours) before reinserting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Never use the filter while it is still wet, as this may damage your vacuum's motor.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 or 2 × Washable Folding Vacuum Filter (select your option above)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Which vacuum cleaner models is this washable folding filter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This filter is designed to fit the Grundig Cyclonic 21.6V, Domo 21.6V, Invictus 1, and a range of models including VCH9629, VCH9630, VCH9631, VCH9632, VCH9829, VCH9832, GMN9080–GMN9083, GMS2500, GMS2550, BKK 1421, and K 6120. It replaces OEM part numbers Grundig 917800890 and 9178008590.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I wash and maintain this vacuum filter?\u003c\/h4\u003e\n\u003cp\u003eA: Simply remove the filter, tap out any loose debris, and rinse it under clean water. Let it air dry fully for at least 24 hours before placing it back in your vacuum. Never reinstall a damp filter. With proper care, this washable folding filter can be reused many times, making it a great long-term replacement solution.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How often should I clean or replace this vacuum filter?\u003c\/h4\u003e\n\u003cp\u003eA: For best performance, clean the filter every 1–2 months depending on how frequently you use your vacuum. If the filter shows signs of wear or damage after repeated washing, it is time to replace it. Keeping the filter clean helps maintain strong suction and extends the life of your vacuum cleaner's motor.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which vacuum cleaner models is this washable folding filter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This filter is designed to fit the Grundig Cyclonic 21.6V, Domo 21.6V, Invictus 1, and a range of models including VCH9629, VCH9630, VCH9631, VCH9632, VCH9829, VCH9832, GMN9080–GMN9083, GMS2500, GMS2550, BKK 1421, and K 6120. It replaces OEM part numbers Grundig 917800890 and 9178008590.\"}}, {\"@type\": \"Question\", \"name\": \"How do I wash and maintain this vacuum filter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Simply remove the filter, tap out any loose debris, and rinse it under clean water. 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