Calming diffuser · Comfort Zone

Comfort Zone 30-Day Calming Starter Kit 100538645

A budget calming starter kit

Updated October 2026

Quick verdict

A cheap way to try pheromones.

Strength
Low starter price.
Trade-off
One room.
Right buyer
First-time users.
Dimensions (seller)
15.2"L x 10.4"W x 7.5"H
Product weight
3.79 ounces
Prices change often; the button shows today's price.

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Why it matters

Comfort Zone's starter kit is a low-cost way to try calming pheromones: one plug-in diffuser and a 30-day refill, aimed at scratching, urine marking and stress.

Fragrance free.

Who it's for, and who should skip it

Good fit if

  • First-time users
  • Single-cat stress
  • Budget

Look elsewhere if

  • Sudden behavior changes without a vet check
  • Owners expecting instant results
  • Rooms where the plug is hidden

Pros and cons

Pros

  • Low price
  • Fragrance free
  • Starter kit

Cons

  • One room
  • Refills ongoing
  • Takes weeks

Limitations to weigh

  • Plug diffusers into the room your cat uses most.
  • Give it a few weeks; replace refills on schedule.
  • See a vet for sudden behavior changes.

Specifications

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

ScentFragrance FreeRetailer
Uses (seller)HomeRetailer
MaterialPlasticRetailer
Model nameComfort Zone Cat Calming DiffuserRetailer
Model number100538645Retailer
WarrantySatisfaction guaranteed. If you’re not satisfied within 90 days, call us at 800-234-2269 so we can make it right. Proof of purchase is required.Retailer
Pieces1Retailer
Product weight3.79 ouncesRetailer
In the pack1 CountRetailer
In the box1 Diffuser and 1 RefillRetailer
Features (seller)Pet-FriendlyRetailer
Mounting / installationwall outletRetailer
Dimensions (seller)15.2"L x 10.4"W x 7.5"HRetailer

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Final verdict

A cheap way to try calming pheromones.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

What's included?
One diffuser and one 30-day refill.
Is it scented?
No, fragrance free.