CRL Wood's Powr-Grip® 9" Vacuum Cup with Low Vacuum Audio Alarm is used to attach with glass and other non-porous surfaces. It has a great load capacity that can lift up to 150 Lbs. (68 kg). Check valve allows re-pumping without removing the vacuum cup from a surface. It comes with a durable metal handle that protects from exposed damages. It is easy to operate and you just need to depress a trigger on the opposite end of the handle of the plunger to release. It reduces maintenance efforts, slash labor costs and saves a lot of time. CRL Wood's Powr-Grip® 9" Vacuum Cup with Low Vacuum Audio Alarm comes with a special alarm feature along with the red light visual indicator and prevents vacuum loss. Low Vacuum Audio Alarm supplements visual red-line indicator with an audible indicator, increasing peace of mind in circumstances that make it difficult to monitor the visual indicator. The advanced design of this vacuum cup turns the alarm on or off automatically, eliminating the power switch and saves battery life and helps simplify the operation. It is advisable to keep it in the special protective carrying case when not in use. DS 07/08/2016
CRL Wood's 9" (229 mm) Diameter Vacuum Cups are available with a durable metal handle. Low Vacuum Audio Alarm supplements visible red-line indicator with an audible indicator, adding a measure of safety in circumstances that make it difficult to monitor the visual indicator. Plunger emits an audible warning to the user and others, in the case of a vacuum loss. Advanced design automatically turns Audio Alarm on or off as necessary, eliminating power switch, increasing battery life, and simplifying operation. Check valve allows re-pumping without loss of vacuum. Release valve lever permits quick and complete release. Supplied with protective Carrying Case.