Filter bag no yɛ bag filter no koma bere a ɛreyɛ adwuma no. Mpɛn pii no, cylindrical pulse filter bag no sɛn mfutuma a wɔboaboa ano no so tẽẽ. Mfutuma-agya a ɛwɔ mu no fi mframa a ɛkɔ mu no mu kɔ mfutuma a ɛboaboa ano no mu, ɛfa nsõ hopper no akwankyerɛ mprɛte no mu, na mfutuma nketenkete bi a ɛwɔ gas no mu no tetew mu denam inertia so na ɛhwe ase tẽẽ kɔ nsõ hopper no mu. Mfuturo-a ɛwɔ gas a ɛwɔ mu no hyɛn filter area a ɛwɔ filter bag a ɛwɔ adaka no mu no mu. Wɔkyere mfutuma no mu dodow no ara wɔ filter bag no akyi, na mframa a ɛho tew no fa filter ade no mu kɔ filter bag no mu. Mframa a wɔatew ho no hyɛn adaka a ɛwɔ soro no mu fa filter bag port no mu na efi mframa a ɛkɔ mu no mu. Wɔde afiri a ɛwɔ filter bag no mu no di dwuma de gyina filter bag no so na amma filter bag no anhwe ase. Bere koro no ara mu no, ɛboa ma woyi mfutuma keeki no na wɔsan kyekyɛ.