When your household has more than four cats, the will meet your needs. The largest of the LitterMaid line, it also boosts of the newest and quietest motor produced by its maker. The Littermaid LM900 replaced the Littermaid Advance and Deluxe models produced earlier and even after the release of the Littermaid Elite series, the Mega unit remained the most popular Littermaid litter box. Due to its popularity, the LM900 has sold out at most retailers but the newer and improved Littermaid LM980 is currently available for $145.66.
The Littermaid LM900 Mega works in a similar way with the other self-cleaning litter boxes of LitterMaid. To facilitate a constantly clean litter box, the rake on the LM900 automatically sweeps waste into a sealable container 10 minutes after use. The safety bar stops the cycle at the slightest touch to avoid any accidents. It is important that premium litter is used for proper clumping. This would ensure a longer life for the LM900 and a continuous smooth functioning.