The VP17 tackles slow sealing and loose sealing rings with 9–16-second automatic sealing, integrated dual sealing rings, clear LED indicators, and 300+ seals per chargeNEW YORK, Oct. 21, 2026 (GLOBE NEWSWIRE) -- HTPOW has launched the VP17 automatic mason jar vacuum sealer to address common frustrations for households that regularly store food in mason jars. After waiting 40 to 50 seconds for a jar to seal, users may find that the seal never formed because the sealing ring shifted or came loose while switch ...