The ESP PLUS pulls a 3 (or 4) foot long by 1.2 inch diameter sample in one plunge. It captures every sample in a plastic liner and can sample to 3 (or 4) feet. Sampling tube is driven by a 12.5 pound drop-hammer (or electric hammer) and retrieved with a foot-operated jack.
Replacement liners for JMC 12 inch Zero Contamination Sampling Tubes available at lower prices when purchased in larger quantities. Click on details for more information.
This reusable spacer allows you to fit a 12 inch liner into an 18 inch Zero Contamination Tube. It would also fill the empty space in a 36 inch ESP Sampling containing one 12 inch and one 18 inch liner.
Remember the spacer sits on TOP of the PETG Copolyester or Stainless Steel liners inside your sampling tube.