Needle veterinary for injector pen VetPen

Merck VetPen veterinary needles are designed for precise insulin delivery in cats and dogs using the VetPen injector pen. Each 29G (0.33 mm), 12 mm (1/2 in) needle is triple-sharpened and silicone coated for smooth insertion. The consistent, fine-gauge design supports accurate dosing with your compatible injector pen. Convenient box of 100 needles helps keep essential pet health supplies on hand for ongoing care.

Needle veterinary for injector pen VetPen

By: Merck

Needle veterinary for injector pen VetPen

Subtotal: $50.30
Subtotal with Autoship: $47.79
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🚚 Usually delivered in 1-5 days

Merck VetPen veterinary needles are designed for precise insulin delivery in cats and dogs using the VetPen injector pen. Each 29G (0.33 mm), 12 mm (1/2 in) needle is triple-sharpened and silicone coated for smooth insertion. The consistent, fine-gauge design supports accurate dosing with your compatible injector pen. Convenient box of 100 needles helps keep essential pet health supplies on hand for ongoing care.

About This Item

  • For use with the Merck VetPen injector to administer insulin to cats and dogs. Needle size: 29G (0.33 mm) x 12 mm (1/2 in); triple-sharpened and silicone coated.
1 box of 100 needles

Are these needles compatible with the VetPen injector pen?

Yes. These needles are designed for use with the Merck VetPen injector pen.

What size are the needles?

They are 29G (0.33 mm) in diameter and 12 mm (1/2 in) in length.

Which animals are these needles approved for?

They are approved for cats and dogs.

How many needles are included in a box?

Each box contains 100 needles.

What needle features help with smooth insertion?

The needles are triple-sharpened and silicone coated.

Does this product include the injector pen or insulin?

No. This listing is for a box of needles only (1 box of 100 needles).

Pet Health Benefits

Every product we carry at PetMeds Direct is selected with care to support your pet's health from nose to tail.

Pain Relief

Vet-approved medications to reduce inflammation and ease joint or post-surgery pain

Heart Health

Supplements and meds that help manage blood pressure and support cardiovascular function

Disease Prevention

Vaccines and immune-boosting supplements help reduce the risk of serious illness

Skin & Coat Care

Dermatology products and omega-rich formulas promote healthy skin and a shiny coat

Happy Pet Parents

Not sure how to get started with PetMeds Direct? We make caring for your pet easier than ever — whether it's managing prescriptions, stocking up on supplements, or getting expert advice. Explore below for helpful ways pet parents use PetMeds Direct to stay on top of their pets' health. At PetMeds Direct, we're proud to serve pet lovers all across Canada.

About PetMeds Direct

PetMeds Direct was founded with one simple mission: to make pet healthcare easier, faster, and more compassionate for Canadian pet parents. What started as a small idea — helping busy families manage their pets’ prescriptions — has grown into a trusted nationwide pharmacy serving dogs, cats, and everything in between. We believe pets are family, and every tail wag and purr deserves top-tier care. That’s why we work closely with vets, offer fast shipping, and make prescriptions and wellness products more accessible than ever. At PetMeds Direct, we’re not just delivering meds — we’re delivering peace of mind.

Healthy Pets, Happy Homes

Caring for your pet’s health has never been easier. With just a few clicks, PetMeds Direct delivers trusted medications and wellness products right to your door — fast, affordable, and vet-approved. Say goodbye to last-minute pharmacy runs and hello to peace of mind.

Trusted & Certified

PetMeds Direct is a licensed and certified pharmacy, committed to providing safe, authentic medications for your pets.

Accreditation No. 311012