What material is it? Buna, epdm, viton, or hbnr?

They can be either Neoprene or Buna. But since 134-A has become the main AC refrigerant for the US auto manufacturers I would think these are neoprene and not Buna. It does not say on the packaging. The color is a bit more pale of a green or I should say chalkier than the ones I took off.

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270 Pieces Seal Gasket Washer,O Ring Assortment Set Kit,Car Air Conditioning AC O Ring Kit,Sealing ORings Gasket Assortment Set,Rubber Washer Orings for A/C Professional Plumbing

270 Pieces Seal Gasket Washer,O Ring Assortment Set Kit,Car Air Conditioning AC O Ring Kit,Sealing ORings Gasket Assortment Set,Rubber Washer Orings for A/C Professional Plumbing

Product ID: 534097382

Details

Brand
Reswish
Color
Green
Manufacturer
ESEWALAS
Material
Rubber
Unit Count
270 Count

💧Superior water & oil sealing

🔥Heat & wear resistant

🛠️270 pcs multi-size kit

R319

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal smarter, not harder — the ultimate O-ring arsenal for pros!

BUILT TO LAST - Premium rubber resists heat, wear, gasoline & oil
TRUSTED BY PROS - Top-rated with 4.6 stars from 725+ users
VERSATILE APPLICATION - Perfect for A/C, plumbing, automotive & more
ALL IN ONE PRECISION KIT - 270 O-rings in 18 sizes for every sealing need
ORGANIZED FOR EFFICIENCY - Transparent compartment box for quick selection & storage

This 270-piece O-ring assortment kit features high-quality rubber rings in 18 sizes, designed for superior sealing performance against heat, wear, water, gasoline, and oil. Packaged in a transparent organizer, it’s ideal for automotive A/C systems, plumbing, and general repairs, trusted by professionals and DIYers alike.

Specifications

ASIN	B0C3H3WL33
Best Sellers Rank	#7,106 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Air Conditioning O-Rings & O-Ring Kits
Brand Name	Reswish
Color	Green
Customer Reviews	4.6 4.6 out of 5 stars (776)
Included Components	O-Ring Assortment
Item Type Name	345LSMFQ001
Manufacturer	ESEWALAS
Material Type	Rubber
Model	345LSMFQ001
Number of Pieces	270
Part Number	DZYB001
Set Name	O-Ring Assortments
Unit Count	270 Count
Warranty Description	no

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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R319

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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