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120x80mm Refillable Cooler Ice Brick

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Kitchen & Bathroomcoolerice-packfreezer-brickrefillablescrew-plugwatertightpetg
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Description

A hollow, refillable 120x80x25mm block designed to hold water, freeze solid, and tile flat against identical units. Flat mating faces allow multiple bricks to sit shoulder to shoulder across a standard cooler base without gaps. The body includes a flush threaded plug with a coin slot to ensure a watertight seal after filling.

Specifications

  • Dimensions: 120x80x25mm overall size.
  • Internal Structure: Anti-bulge pillars connect the interior floor and ceiling to maintain external flat faces when ice expands.
  • Plug Mechanism: 20mm internal thread with a 2.5mm pitch and a slotted head for coin tightening.
  • Profile: The plug sits entirely flush with the top surface to preserve flat tiling and stacking.
  • Usage: Leave a small air gap when filling to allow water to expand during freezing without fracturing the outer walls.

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