JBL suction cup w.elast.ring, dia 12mm, 2 pcs, Rubber pads for objects of 11 12 mm in diameter

Rubber suction holders to fix thermometers in aquariums and terrariums Firm hold: thermometer does not slip, thermometer remains easy to read Black rubber suction holders, suitable for all objects 12 mm in diameter, e.g. thermometer, air hose Easy to attach: put the object through the closed suction holder and attach it with the suction pad to the aquarium/terrarium Contents: 1 pack suction holders (2 pcs.). Ø 0.5 cm