leak free

• sealedClosed to prevent entry
• watertightPrevents liquid from passing
• airtightImpervious to atmosphere
• gasketMechanical leak preventer
• tightFirmly stretched or fitting

secure · drip · spill · containment · rubber · O-ring · valve · plumber · pipe · joint · pressure · hose · seal · caulk · bladder · membrane · impermeable · snug