Asecond cartridgeso you are never caught short. They maintain potency until opened.
Awall-mount/table-top bracketwith attachment kit.
All for $185.96, a savings of $22.00 over separate item pricing of $207.96.
Be sure to specify whether you need the Model AC (for smaller dome-shaped litter boxes with the cutout), or the Model AR for larger dome-shaped -- the type with steps -- litter boxes.
Free shipping in United States. All Canadian orders will be credited $15 after funds clear to offset some shipping costs.