Quantitative (ashless) paper filters are made from 100 % cotton linters and are free from impurities since the paper is acid washed and cleaned with ultra pure water. The ash content is 0.007 %. Available as plain circles and pre-pleated ready to use.
Filters are available in diffrent standard sizes**.If you are looking for a size that is not available in the standard range, we can certainly make it for you at a very competitive price. Just send an inquiry.**