If you've got a Nutone central vacuum system, you know how important it is to keep it running smoothly with the right replacement bags. This 3-pack of EnviroCare micro filtration dust bags has got you covered! These bags are designed to fit a ton of Nutone models including the CV350, CV351, CV352, CV353, CV450, VX475, CV653, CV750 - plus larger models like CV850 and CV10 that use 8 gallon bags. But wait, there's more! They also work with other brand vacuums like Broan, Cyclovac, Dynavac, Easyflo, Eureka, Filteraire, Frigidaire, Housekeeper by Rittenhouse, Husky, Miami Carey, Singer, Smart, Soluvac, Vacuflo 200, and even Heatilator units. They're perfect replacements for genuine manufacturer part numbers 391, CF3918, 110025 and 110056 (you know, those Nutone-391 and 44186 bags). EnviroCare Technologies is seriously the leader in premium aftermarket vacuum bags and filters, so you know you're getting quality that'll keep your central vacuum system working like a champ. No more worrying about compatibility issues - these bags are specifically engineered to work seamlessly with your existing setup. Whether you're replacing old worn-out bags or stocking up for future maintenance, this 3-pack gives you great value and ensures your cleaning system stays efficient and effective. The micro filtration technology means better dust capture and cleaner air in your home too!