V-Gauge Wine Preserver Vacuum Pump - Set includes a gauge and stainless steel pump. - Simply pump until the needle reaches the 'red zone' on the gauge. - Takes out the guessing if you've pumped enough vacuum to preserve your wine. - Gauge indicates when vacuumed enough to preserve wine. - 10-year limited warranty; Dishwasher safe. Dimensions: 1.9 x 1.9 x 5-in. The wine preserver that shows you the vacuum. No more guessing if you've pumped enough vacuum to preserve your wine. Now, with the new V-Gauge Wine Preserver, you simply pump until the needle reaches the 'red zone' on the gauge. Then you know you've achieved the necessary vacuum. Metrokane was founded in 1983 by Riki Kane who had been an advertising copywriter and a syndicated journalist, creator of the popular newspaper word game, "Wordy Gurdy." While traveling in Mexico, she purchased a manual citrus juicer, which she brought home to squeeze her morning orange juice. She was surprised to find that manual juicers had been extinct in the U.S. since the advent of electric citrus juicers in the '50's. Convinced that the manual juicer is superior to the electric kind, she re-introduced it to the American market with a classic retro design called "The Mighty OJ." Metrokane's Mighty OJ Juicer was an immediate success in department and specialty stores around the country. Initially, Ms. Kane ran the business from her apartment -- expanding her line of juicers and fighting a long, but ultimately successful legal battle against Mighty OJ imitations (called "knock-offs" in the industry).