Petmate Sky Kennel, Small, 15"L x 21"W x 16"H - Walmart.com
Wood Extension to increase the height of commercial travel crates - Manoir Kanisha
COMMERCIAL Crate, VERTICAL EXTENSION for a VERY TALL DOG and EXTRA-LARGE CRATE - Manoir Kanisha
Kennel extensions - Hawaii Happy Trails Airline Kennels
Amazon.com : Petsfit Expandable Large Cat Carrier Small Dog Carriers, Airline Approved Soft-Sided Portable Washable Pet Travel Carrier with Two Extension for Kittens,Puppies,Rabbits : Pet Supplies
Custom/Modified Shipping Crates - Pet Air Carrier, LLC
Kennel Height Extension Kit
Kennel Height Extension Kit 700
Precision Pet Extreme Hen House Extension Pen – Pet Crates Direct
Custom/Modified Shipping Crates - Pet Air Carrier, LLC
Sport Pet - Products: AIRLINE PLASTIC KENNELS
Modified and Custom Built Airline Kennels Crates Information | KCPET