Exaco Royal Victorian Low Threshold 8x16 and a stylish addition to

and a stylish addition to your backyard

and advanced safety features

the tube extends

It has roof windows that you can open to let in fresh air

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Exaco Royal Victorian Low Threshold 8x16 and a stylish addition toExaco Royal Victorian Lower Threshold Kit The Lower Threshold Kit 2025 is the latest upgrade for Janssens Royal Victorian greenhouses, lowering the entry point from the standard 4. 5" foundation frame to just 1 1 4". This makes access safer and smoother, especially when moving wheelbarrows or carts. Unlike the previous KSD Low Threshold Kit, which included a full 4 sided frame and a sliding door lock, the 2025 model is a simplified bottom only