Mason's horizontal portals and optional vertical portals allow units to instantly become more flexible and versatile. They create a larger unit for boarding multiple cats or housing a mother cat and her kittens, making the unit perfect for a family of cats and socialized cats.

Horizontal Portals Easy-to-close portal doors allow units to open left to right to provide more living space for cats. Constructed of an easy-to-clean nonorganic material, the door swings open easily and latches firmly for security. Because they are built into the unit, there is no track that can collect litter, dirt or dander. There is also no need to store the portals or risk them being lost. Portals are standard on Mason’s Raintree Cat Condo and Luxury Cat Condo, and optional on Mason’s Cat Adoption Units.
Vertical Portals With optional pass-through doors on Mason’s Raintree Cat Condos and Luxury Cat Condos, each individual unit can connect with its neighbor vertically. This provides the flexibility of creating luxury suites, which greatly expand each cat’s accessible area.

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