# VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply

Drops: VECTRA 3D D73830F is a three-tube topical flea and tick treatment listed for large dogs weighing 56–95 lb. The listing also claims mosquito repellency and up to one month of protection per application, so the three-month supply fits a monthly application routine.

- [Original product page](https://best-deals.pro/product/vectra-3d-d73830f-large-dog-flea-tick-drops)
- [View offer](https://best-deals.pro/visit/vectra-3d-d73830f-large-dog-flea-tick-drops)
- Market: US
- Language: en-US
- Currency: USD
- Brand: VECTRA 3D
- Model: D73830F
- Category: Pet Supplies > Pet Grooming & Health > Pet Health
- Price: 42.39 USD
- Previous price: 52.99 USD
- Discount: 20%
- Price checked: 2026-11-14T06:49:14.809Z
- Rating: 4.4 / 5
- Reviews: 1402

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing specifies a 56–95 lb large-dog weight range and a three-month supply of topical drops.
- The manufacturer claims flea and tick prevention plus mosquito repellency, with up to one month of protection per application.
- The stated application is a direct-to-skin single dose. The listing says the formula is waterproof after 24 hours.
- The listing claims flea feeding may be reduced in as little as 5 minutes and fleas killed within 4 hours.

## Pros

- Topical single-dose applicators offer a monthly routine without an oral dose.
- The listed protection covers fleas and ticks, and the manufacturer also claims mosquito repellency.
- The package is listed as three tubes, aligning with the three-month title.

## Cons

- The product requires a monthly application rather than offering a longer interval between doses.

## Specifications

### Identity and suitability
- Brand: VECTRA 3D
- Model: D73830F
- Dog size: Large
- Age range: 8 Weeks or Older
### Formula and package
- Form: Drops
- Active ingredients: Dinotefuran, Permethrin, Pyriproxyfen
- Scent: Unscented
- Allergen information: Abalone Free
- Listed volume: 0.48 fluid ounces
- Included components: 3 tubes
### Dimensions and weight
- Dimensions listed: 5.25 x 1 x 5.25 inches; 0.04 ounces
- Weight listed: 1.13 g

## Before you buy

- The stated weight and age ranges are listing guidance. Confirm the dog's fit and directions on the current product label, especially before using a topical treatment containing permethrin. The listing says it becomes waterproof after 24 hours, not immediately.

## In the box

- 3 tubes (Included)

## A good fit for

- Owners seeking a topical monthly flea and tick treatment for a dog within the listed 56–95 lb range.
- Buyers who want a product whose listing also claims mosquito repellency.

## Less suited to

- Dogs outside the listed 56–95 lb weight range or younger than the stated age range.
- Owners seeking a non-topical treatment or a schedule less frequent than monthly.

## Customer feedback

Customer feedback describes easy application and positive impressions of effectiveness, while reports about duration and residue are mixed. Some customers say protection lasts a long time, while others say it does not. Some also describe initial stickiness. These reports are relevant to the monthly topical routine, but do not establish how the product will perform for a particular dog. The aggregate ratings lean positive overall, though ratings alone do not explain individual experiences.
- Positive themes: Customers report easy application and positive effectiveness experiences.
- Mixed feedback: Feedback differs on how long the treatment seems to last.
- Mixed feedback: Some customers describe residue as initially sticky, while experiences vary.
- Mixed feedback: Feedback about side effects is mixed.

## Frequently asked questions

### What dogs is this VECTRA 3D package listed for?
The title specifies large dogs weighing 56–95 lb. Product details also state an age range of 8 weeks or older. Check the current label for suitability and dosing directions.
### How long does one application last?
The listing claims up to one month of protection per topical application and describes a monthly routine.
### Does it repel mosquitoes?
Yes. The manufacturer listing claims mosquito repellency in addition to flea and tick protection.
### How many tubes are included?
The product details list three tubes, and the title identifies the package as a three-month supply.

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## Images

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 1](https://best-deals.pro/i/IIt0Iqi5pSvIiNv5PGbP8k5zIOWdaTHqXjlZv3ihN6xtvYYAdyrND1WZuYUhcBJdCM4YqvBgtqcL9MvSkGnVLgyShScScYCmO6XyjhFKV-UWodSpjku6ZQgE.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 2](https://best-deals.pro/i/8Kw9mjUYmCd4j5MR9GCF_qNuuVF4TLm4XGDlmcjl1qbIzeEE-lHWq8IPVmJavSX34cDanUxexzYDSKF2lGeoq_wdEPzO0Ke9xzo9IFN9IYmtGHKBzxSpIWRO.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 3](https://best-deals.pro/i/DzYyNUgMw3Ultu_sMA0czZ-dhA_Mb7ILwQU0mkEJg2lTNfj1ClhRlA0L7W0qF4GlhsemDCVbiqocBgEqWFEQZD3q-7RXvA_3yCfU7fE-qGMGOZnQ8LFzDirU.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 4](https://best-deals.pro/i/nPE6mgew0Fr5Jy9RdIEi0xmOArqWnOciDluKF4ZuEWoYg8IgeBg4hs7QhBUn_ZXONBqCrRvs8o-jSq0SZaIkSEpRrkRrsxDXa1oPWN8zvErD971gAwD1XpfC.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 5](https://best-deals.pro/i/G7AWmuJcB0HHI7mm1Sl9P21gsu3bgA7TfDfPjrKcfyUu7NKTbwgEL7o1GaJkSwxZJ26QnMYxkgGsY1iczJpHQieEdrUotEN73m2rgxJGuLHc9GGP4hH6x-97.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 6](https://best-deals.pro/i/Z6njhCRegzRM9ik_CSCnB_o96-VwF8QACb3IQEdQ1WR9P7Le36BErsf0oeSh-4QstrtnQjJQEP1dul-eqIlfuAohRDjpT0NQBSaFa0NhR--fuEfY4CgS39Sy.jpg)

![VECTRA 3D D73830F Flea and Tick Drops for Large Dogs, 56–95 lb, 3-Month Supply — 7](https://best-deals.pro/i/rM3mYYIv2KqA3AYfARoVDfRozTW1YTkZS3ypJ8oVgSqPoluaURZZHaPo2yMoKZT51KTivDA0H_-J8Upe8CKvb6yL7XyxyYBtSlDpccQrFtXlHN7ouCHHzXv6.jpg)