Individual plastic sheets are joined together by continuous aluminium hinges, allowing all kinds of ventilation settings & easy access for care & maintenance.
Its generous height (18"/46cm sloping to 15"/38cm) will accommodate larger plants for over wintering.
The design enables the cover to be simply lifted on & off the heated tray when not in use.
Reduces the running costs of a heated tray by reducing moisture & heat loss, which also increases propagation success rates.
Illustration shows a 19" (48cm) Heated Tray with Heated Tray Cover.