The surface of the COBETTER filter membrane is smooth and flat, which is convenient for microscopic observation.
【3.1 mm intervals】Grid facilitate counting colonies on the filter surface without compromising colony growth.
【High Quality】Excellent microbial retention efficiency and recovery growth rate.Meet the quality inspection needs of pharmaceutical and other industries.
【ISO Certificate】Cobetter Quality Systems is compliant with ISO 9001 : 2008. Design, manufacture and sterilization processes meet cGMP requirements.
130°C Max. Temperature. 75%Porosity. Individually packed.

Shipping is complimentary within the lower 48 US States.

We Do Not Ship to PO/APO Boxes, HI or Alaska
We Do Not Ship Outside of the Continental US
All items ship within 24-72 hours of Payment
For large items that require Freight shipping a valid phone number is required to call and schedule your delivery

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All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged
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All items are IN STOCK at time of listing.
Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items.
Please do not penalize us if we have to issue you a refund!

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