Does this work better than the Classic? I feel like my cat is getting used to the Classic and it doesn’t calm him as much as it used to.

I have used the multi- cat on & off for years with excellent results, but I wanted to give the optimum. Not sure if it's necessarily better (both are equally effective for us) but it definitely works faster. For your situation, switching to a different formula is worth a shot.

Can the same diffuser i have for the multi cat be used for this?

The instructions actually say to not use another brands diffuser for the refills, and not to use another brands refills in the diffuser. It does not specifically say to not use another one of their own diffusers. I will say I used my old multi cat diffuser and it was fine and worked well.

Can this be plugged in 220v or just 110v?

I believe it would only be safe to use in 110 volt.

Can you use this in a dog friendly home with two cats?

You may want to contact Feliway directly for the best answer. That said, the cat pheromones shouldn't effect your dog. If your dog is a chewer I recommend plugging in somewhere the dog can't reach it since it's ball shaped (or train the dog that it's strictly off limits).

Optimum Enhanced Calming Pheromone 30 Day Refill 3 Pack

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Description

🐾 Unlock the secret to a zen cat lifestyle—because calm is the new cool.

TRIPLE REFILL VALUE - 3-pack refills ensure uninterrupted 90 days of feline tranquility—never run out of calm.
WHOLE HOME SERENITY - Each diffuser blankets up to 700 sqft, perfect for modern open-plan living spaces.
EFFORTLESS INTEGRATION - Plug in, diffuse, and watch your cat reclaim their confidence—stress relief made simple.
VET TRUSTED DRUG FREE - #1 vet recommended, non-sedating formula keeps your cat safe and stress-free naturally.
SCIENTIFICALLY PROVEN CALM - 77% less urine spraying & 70% less fear—clinically backed stress relief for your cat.

FELIWAY Optimum 3-pack refills deliver up to 90 days of patented pheromone-based calming support, reducing common cat stress behaviors like spraying, scratching, and fear. Covering large living areas up to 700 sqft per diffuser, this vet-recommended, drug-free solution is scientifically proven to enhance feline well-being and harmony in multi-cat households.

Specifications

ASIN	B09V9VSY53
Best Sellers Rank	#30,158 in Pet Supplies ( See Top 100 in Pet Supplies ) #687 in Cat Health Supplies
Brand	FELIWAY
Color	Clear
Customer Reviews	4.4 4.4 out of 5 stars (11,061)
Date First Available	14 April 2022
Item Weight	231 g
Model Number	D92150B
Package Dimensions	10.21 x 9.4 x 8.79 cm; 231 g

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