4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA Food-Grade Material: Our Oxygen Absorbers packaging is made of food-grade material and passed strict food testing, so it can be safely stored with food without peculiar smells like other inferior products, and 100% retains the original taste of food.<br> Professional slow absorbing design: Our Oxygen Absorbers are slow oxygen-absorbing styles, the reason for this design is that you have enough time to seal food and use the rest Oxygen Absorbers. Unlike other Oxygen Absorbers on the market, half of the effect is wasted in the sealing process (maintain oxygen for up to 5 hours, so don't worry about no effect, but the oxygen inhalation speed is slow)<br> Refuse Wasting: Our Oxygen Absorbers come in 10 pieces in one pack instead of all pieces in one package. It perfectly solves the problem when you only need some Oxygen Absorbers for food storage use but needs to reseal the original packaging after use. And avoid some situations where you forgot to seal and finally wasted most of the remaining Oxygen Absorbers. Our Oxygen Absorbers 10 pieces independent package makes it more convenient and worry-free for you to use.<br> Widely Use: The set contains 100 pieces(10x PCS of 10) of 200CC Oxygen Absorbers, suitable for most mylar bags, canning lids, etc., cookies, snacks, spices, cereals, flour, pasta, etc. Various dry food storage (Please note: O? only occupy in 1/5 air, no matter how many deoxidizers are put in, the adsorption effect cannot be achieved)<br> aim to provide high-quality products and services to enhance the customer's pleasant shopping experience. If you have any problems about the item, please contact us directly, we will reply within 24 hours and solve your problems as soon as possible.