Can I use this on a standard 5 gallon bucket from Lowes or do I have to buy a Gamma bucket.

I just put one of these on a $5 Tractor Supply bucket. It works fine. Is it air tight or leak water? I am not sure. I just wanted to replace the lid that I bought with the bucket that was a pain to remove. I am planning on buying another one for a Lowes bucket. I keep deer corn in them. Would I use a regular bucket for dog food or cat food? No. I would buy a food grade bucket.

What is the oring sizing? Will a #378 sized ring work? I need to replace a few, they appear to have expanded/grown larger and are falling off.

I went 276 and 379. 378 will prob work just as well. Most of the nitryl you find has a hardness of 70a which is not ideal for this. A flat sheet of silicone cut out in a circle works the best that I have found for cost. The "innertubes" that come with the lids just don't work well. A better solution would be to use a washer in the design. Anyone who uses a food jar knows flat washers seal well. The only way to really get these to work, is to crank and i mean crank them with the tool provided or similar. Not practical really, if you are looking for airtight or waterproof seal. This is a good application for dog food or the like, when you need to get into it everyday, but then you can just take off the gasket, because it does not matter, to make it easier to open. Remember almost ALL food grade plastic is porous. Depends on your application and your milage will vary. BUT---DO NO EXPECT THIS TO BE WATERPROOF OR AIRTIGHT ! I would love to see the manufacture who makes that statement to be handed one of these put the lid on by hand and be thrown off a ship 3 miles out to sea with nothing else to cling to but the bucket and false advertising.

Will these fit the Vittles pet food containers from the same company (Gamma2)?

Yes, they are made by the same company and fit the Vittles Vault perfectly.

Is the seal (o-ring) available separately?

No, it is not available individually.

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🔒 Seal the deal on freshness and style with Gamma Seal!

PROUDLY MADE IN THE USA - Quality craftsmanship you can trust, backed by a 12-month manufacturer warranty for peace of mind.
ECO FRIENDLY FOOD SAFE - Crafted from BPA-free, food-grade HDPE plastic that’s 100% recyclable and meets strict safety standards.
EFFORTLESS SPIN ON DESIGN - Quick one-hand spin lid for easy access without the hassle of prying or spills—perfect for busy pros.
LOCK IN FRESHNESS LOCK OUT PESTS - Gamma Seal tech creates an airtight, pest-proof barrier to keep contents fresh and uncontaminated.
UNIVERSAL FIT ULTIMATE VERSATILITY - Transforms any standard 12-inch bucket (3.5 to 7 gallons) into a sealed storage powerhouse.

The Gamma Seal Resealable Lid converts any standard 12-inch diameter bucket (3.5 to 7 gallons) into an airtight, pest-proof storage container. Made from durable, BPA-free, food-grade HDPE plastic, it ensures freshness and safety while being 100% recyclable. Featuring a patented spin-on design for effortless access, this USA-made lid is perfect for storing pet food, tools, lawn supplies, and more, backed by a 12-month warranty.

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Material	High Density Polyethylene
Colour	Black
Brand	Gamma2
Style	Modern
Product Dimensions	30.5L x 3.8W Centimeters
Item Weight	454 g
Shape	Round
Number of Pieces	2
Is Dishwasher Safe	No
Is Microwaveable	Yes
Global Trade Identification Number	00769397140231
Manufacturer	Gamma
UPC	769397140231
Age Range	All Life Stages
Batteries Included	No
Included Components	Gamma Seal Lid - Black
Weight	1 Pounds
Material Type	High Density Polyethylene
Number of Items	1
Size	Fits a 3.5 to 7 Gallon Bucket
Features	Airtight
Usage	Active
Country of Origin	USA

Resealable Lid for 12in Diameter Bucket

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