What is the country of origin?

Hello,Our factory is in China. Guangdong

i need a tubular 9/16 od x 1/4 inch id x 1/4 inch thick o-ring for a bypass tub shower valve ?

9/16 inch = 14.2875 mm I don't think that these would fit perfectly. But, the silicone washers are soft and might be shaved down to the size that you need. I used them on my shower head and sink strainers.

Are the food-grade silicone gaskets bpa free? bps free? petroleum free? no fillers? safe for use in a water filter?

the food-grade silicone gaskets.use in a water filter

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ZDBB 7 Size Water Hose Gasket and 20 Size O Ring Rubber Washer Assortment Kit 610 Pcs Nitrile Washers Set for Plumbing Faucet Pipe Hose Shower Head Pressure Washer Sealing Repair OD 9-31MM

ZDBB 7 Size Water Hose Gasket and 20 Size O Ring Rubber Washer Assortment Kit 610 Pcs Nitrile Washers Set for Plumbing Faucet Pipe Hose Shower Head Pressure Washer Sealing Repair OD 9-31MM

Product ID: 454046033

Details

Brand
ZDBB
Colour
black
Item Diameter
9 Millimetres
Material
Rubber

📏7 gasket sizes & 20 O-ring sizes

🔥Heat resistant up to 240°F

🛠️610 pcs total for every fix

Description

🔧 Seal it right, seal it tight — never miss a drip again!

VERSATILE MULTI USE KIT - Perfect for home, RV, outdoor spigots, pressure washers, pumps, and gas valves—one kit, endless solutions.
ULTIMATE PLUMBING ARSENAL - 610 premium nitrile washers & O-rings to cover every pipe, faucet, and hose repair need.
PRECISION FIT FOR EVERY JOB - 7 gasket sizes (9-31mm) and 20 O-ring sizes (9-28mm) ensure seamless compatibility with standard fittings.
TRUSTED QUALITY FAST FIXES - Top-rated with 4.6 stars from 1,000+ pros who rely on ZDBB for durable, leak-proof sealing every time.
BUILT TO LAST UNDER PRESSURE - High-temp, corrosion, oil, and water resistant nitrile rubber withstands harsh conditions without deforming.

The ZDBB 610-piece Nitrile Rubber Washer and O-Ring Assortment Kit offers a comprehensive range of 7 gasket sizes and 20 O-ring sizes designed for plumbing, faucets, hoses, and pressure washers. Made from durable, heat-resistant nitrile rubber, this kit ensures reliable sealing performance across temperatures from -40°F to 240°F. Ideal for professionals and DIYers alike, it provides versatile, corrosion-resistant solutions for home, RV, and industrial plumbing repairs.

Specifications

ASIN	B097MZVKW5
Best Sellers Rank	#300,496 in Home Improvement ( See Top 100 in Home Improvement ) #21 in Tap O-Rings
Brand Name	ZDBB
Colour	black
Country of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (1,082)
Item Diameter	9 Millimetres
Item Weight	9.8 Ounces
Manufacturer	TWCC
Material Type	Rubber
Nominal Inside Diameter	OD:9mm,10mm,11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm. Millimetres
Nominal Outside Diameter	31 Millimetres
Number of Items	610
Number of Packs	1
Number of Pieces	610
Part Number	0655365404842
Set Name	ZDBB 7 Size Water Hose Gasket and 20 Size O Ring Rubber Washer Assortment Kit 610 Pcs
Temperature Range	-40-240 Degrees Fahrenheit
UPC	655365404842
Unit Count	1.0 Count

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