Is this seam well sealed? Just test the tightness of your geomembranes with the VACUUM BOX and find every leak.

• Extremely robust transparent material made from impact resistant plastic
• Perfect handling with thumb pressure release
• Durable seal
• Manometer with inHg and bar scale
• Quality fittings and hose

Test the tightness of your weld seams with Leister‘s VACUUM BOX. The re-vised model made from transparent, impact resistant plastic has a durable seal and is even more robust now. It provides you with a large, rectangular testing area of 810 x 310 mm. The manometer has a inHg/bar scale. The fittings are well placed and the thumb pressure release makes the handling remarkably simple.