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).

Feliway Optimum Enhanced Calming Pheromone 30 Day Refill 6 Pack

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Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐱 Elevate your cat’s calm game — because stressed cats don’t trend.

DRUG FREE SAFE - Non-sedating, odorless, and safe for cats of all ages—calm your cat naturally without affecting humans or other pets.
LONG LASTING CALM - Each refill delivers a full 30 days of continuous pheromone diffusion, ensuring uninterrupted serenity for your feline friend.
WIDE ROOM COVERAGE - Covers up to 700 square feet, perfect for large living spaces or multi-room homes, so no corner is left stressed.
VET TRUSTED FORMULA - Backed by 25+ years of feline stress research and the #1 vet recommended brand, giving you confidence in every use.
STRESS FREE SANCTUARY - Clinically proven to reduce urine spraying, scratching, and tension by over 70%, creating a peaceful home environment for your cat.

FELIWAY Optimum is a patented, vet-recommended pheromone diffuser refill pack designed to reduce multiple signs of cat stress including urine spraying, scratching, and fear. Each refill lasts 30 days and covers up to 700 sqft, providing drug-free, odorless, and scientifically backed calming support trusted by millions of cat owners worldwide.

Specifications

ASIN	B09V9WC1S1
Best Sellers Rank	#21,321 in Pet Supplies ( See Top 100 in Pet Supplies ) #497 in Cat Health Supplies
Brand	FELIWAY
Color	Clear
Customer Reviews	4.5 4.5 out of 5 stars (1,892)
Date First Available	6 May 2022
Item Weight	430 g
Model Number	D92160B
Package Dimensions	15.8 x 10.21 x 9.7 cm; 430.91 g

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