Amazon.com: Tameler Baby Gate with Cat Door - 29''~43'' No Drilling Metal Walk-Thru Child Gate with Pet Door, Auto-Close Dog Gate for Stairs, Doorway, Hallway, Kitchen - Pressure Mounted Kit Included :
PS INDUSTRIES, Steel, For 30 in to 40 in (Railing Opening) Opening Wd, Self Closing Safety Gates - 795N71|LSG-3040-PCY - Grainger
Safety 1st Auto-Close Pressure-Installed Metal Gate with Magnetic Latch - Fits 29-38" Wide, 28" Tall, Includes 2 Extension Panels and 4 Wall Cups, Great for Babies and Pets, White : Amazon.ca: Baby
Costway 30-32.5 in Baby Safety Gate with Door for Doorways & Stairs Black - Walmart.com
Amazon.com : Keeric 59" Extra Tall Pet Gate, Durable Metal Cat Gate with Double Safety Lock & Walk Thru Door - Self Closing/Stay Open/Open Both Ways, Pressure Mounted Dog Gate for Indoor