Black and white foil is used to reflect the light optimally and not to let any light through from outside. The black and white foil is attached to the walls with the black side facing outwards. The white side points inwards towards the plants and reflects the incoming light back onto the plants. Black White Foil is per running meter (2m width - folded).
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Cheap reflective Worth reflective and cheap wamth holding plastic.
Worth reflective and cheap wamth holding plastic.
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