999 card USDA accepted0001

The 999 has been our most popular product for over half a century. The filter is accepted by the USDA for Scorched Particle Testing.

Packaged 500 cards to the box, 10 boxes to the case.

One box of 500 is the minimum order.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32800 lightweight filter0001 Our second most popular product, the 32800. It is the same printing and size as the 999, but the filter is more open. The filter is not accepted by the USDA for Scorched Particle Testing.

Packaged 500 cards to the box, 10 boxes to the case.

One box of 500 is the minimum order.

 

 

 

 

 

 

 

 

 

 

 

filter disks

A bag of 1,000 1¼ inch filter disks (T1313 filter).  A few laboratories still use this original style filter pad.