Stephens Pipe & Steel Expansion Panel 6ftx 4ft Silver Catalog Pet Kennels, Houses & Carriers Kennels Stephens Pipe & Steel Expansion Panel 6ftx 4ft Silver UPC : 754761000000 SKU : 06644377 Model Number : DKS00604 Description Modular kennel panels are designed for use when ever expansion is needed. Used with 4ft high Silver series. Rates Please contact us for current pricing and availability.