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 3 Pack

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Description

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

BROAD HOME COVERAGE - Each diffuser covers up to 700 sqft, ensuring your entire living space becomes a serene sanctuary for your feline friends.
VET RECOMMENDED DRUG FREE - Backed by 25+ years of feline stress research and the #1 vet recommended brand, FELIWAY Optimum is safe, non-sedating, and chemical-free.
EXCLUSIVE PHEROMONE TECHNOLOGY - Utilizes patented pheromone science to send calming messages that reduce tension, conflicts, and anxiety in cats of all ages.
TRIPLE REFILL PACK CONVENIENCE - Three 30-day vials provide a full 90-day supply, keeping your cat’s environment consistently stress-free without interruption.
SCIENTIFICALLY PROVEN STRESS RELIEF - Clinically shown to reduce urine spraying by 77%, scratching by 73%, and fear reactions by 70%, so your cat stays calm and confident.

FELIWAY Optimum Enhanced Calming Pheromone 30-day Refill 3-Pack offers a scientifically validated, drug-free solution to reduce common feline stress behaviors like urine spraying, scratching, and fear. Each diffuser covers up to 700 sqft, providing broad home coverage with patented pheromone technology trusted by millions and recommended by vets worldwide. This triple refill pack ensures a continuous 90-day calming environment, making it the ultimate choice for millennial cat owners seeking peace of mind and a harmonious home.

Reviews

M**A

It works

Great product, the only one that helped my troubled cat integrate, after trying dozens of others. I recommend it.

26.08.2022

K**R

Unprotected packaging

Luckily the item is in a plastic container. Maybe the supplier is trying to be green. Item within is ok.

22.04.2023

E**R

Muy recomendable.

Llego en el tiempo estipulado, aunque fue muy tardado para que se enviara, puede ser por las fechas. Es un excelente producto y mantiene a mis gatos tranquilos y evitando algunas conductas inapropiadas.

31.12.2025

S**M

Perfect for my anxious Ragdoll

Works really well

22.05.2025

J**Y

Excellent product

Use this always, works really well for my cat. Excellent product.

8.06.2025

J**O

Excelente

Muy bien protegido me llegó y con un regalito para mi michi, gran detalle !

22.11.2025

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ASIN	B09V9VSY53
Best Sellers Rank	#19,339 in Pet Supplies ( See Top 100 in Pet Supplies ) #457 in Cat Health Supplies
Brand	FELIWAY
Color	Clear
Customer Reviews	4.4 4.4 out of 5 stars (11,115)
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

FELIWAY Optimum, Enhanced Calming Pheromone 30-day Refill – 3 Pack

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Common Questions