Floor Transition Strip Self Adhesive, PVC Flooring Threshold Edging Trim Strip Suitable for Carpet Threshold Transition with a Height Less Than 3 mm 6.56 feet (White, 4MM) - - Amazon.com
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Premier Single Door Threshold Pewter Finish 3 Ft | Designer Carpet
Self Adhesive Carpet Floor Transition Strip,PVC Floor Transition Strip,Flat Divider Strip,Laminate Door Strip Floor Strip Suitable for Bathroom/Garage Door Threshold Transition Height<10mm Grey - Amazon.com
Door Thresholds Buyers Guide | Carpet Bars & Trims Explained