A temperature sensitive mechanism designed to regulate internal temperature and relieve you of the need to open and close the vents. This time honored solution will serve you well for years without any maintenance. The professional gardener’s choice….

The Hartley Range of Colors

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  • Hypca White
  • Country Stone
  • Verona Stone
  • Umbria Light
  • The Olive Leaf
  • Mist
  • Vista Grey
  • Iron Grey
  • Forest Green
  • Bronze
  • Manganese Graphite
  • Black Olive
  • Dark Bronze
  • Black
  • Ruby Red

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