Dimensions: track- 4" x 3.75" x .75" rectangle- 5.25" x 3.25" x .375" rounded- 5.25" x 4.5" x .375" Our floating plant exclusion zone is the ultimate solution to safeguard your floating plants and decor from the disruptive flow of your tank filter in your rimless tank. This device creates a secure area for your filter’s flow to ensure your delicate aquatic greenery remains undisturbed and can flourish in your aquascape. Return Policy Due to the personalized nature of our made-to-order items, we regret that we are unable to accept returns or exchanges unless the item arrives damaged or broken. In the event of such an occurrence, we kindly ask buyers to provide images of both the damaged product and its packaging within 3 days of delivery to qualify for a return, exchange, or refund. Cancellation Policy We accept cancellations as long as the request is made promptly after your purchase. If you wish to cancel an order after it has been shipped and delivered, please contact us to arrange a return as per our return policy.