QED AP4Plus HDPE Choose among accessories including carrying

Choose among accessories including carrying cases

The ultimate personal air sampling pump delivering enhanced performance

Both models can be powered with a generator

To meet EPA reporting requirements these instruments have an EPA compliance reading mode

QED AP4Plus HDPE Choose among accessories including carryingEasier to Disassemble and Clean The AP4+ was made easier to clean by using 3 bolts to attach the pump inlet and open up the pump. This is easier than having to rotate the inlet multiple turns to unthread it from the center tube inside the pump, especially under field conditions of silt, deposits and coatings. Removing the inlet is also aided by the new, precision ID pump casing, ensuring a more controlled fit. The new pump casing's smoother internal