Assortment of 18 different sizes commonly used O-rings for repairs of air conditioning systems. The ring are made of Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications. HNBR can be formulated to meet application temperatures ranging between -45 degrees Celsius and 165 degrees Celsius, and HNBR is classified by ASTM as DH-type polymer. The rings are wear and corrosion resistant, specifically made for high pressure applications and air conditioning systems.

Features:

• 18 different sizes in one set, suitable for most air conditioner repairs
• Can be used in household and automotive air conditioning units
• Made of HNBR, to be used in applications of extreme temperature fluctuations
• Safe to be used with PAG oil, ND oil and other air conditioning lubricants
• Provides 100% seal against any leaks, direct replacement for original seals

Specifications:

• Model: W-8085
• Material: Hydrogenated Nitrile Butadiene Rubber
• O-ring color: Green
• Size types: 18 sizes (270 pieces)
• Box size (LxWxH): 8-1/8x4-1/4x1-1/4in or 20.5x10.5x3cm
• Weight: 5.7oz or 160g

Seals sizes:

• 7/32"×1/16" or (5.29×1.78) 20pcs
• 1/4"×1/16" or (6.07×1.78) 20pcs
• 6.8×1.9 20pcs
• 5/16"×1/16" or (7.68×1.78) 20pcs
• 7.8×1.9 20pcs
• 8×2 20pcs
• 8.8×1.9 20pcs
• 7/16"×1/16" or (10.82×1.78) 15pcs
• 7/16"×3/32" or (10.77×2.62) 15pcs
• 11×2 15pcs
• 12×2 15pcs
• 13.98×1.8 10pcs 9/16"×3/32" or (13.95×2.62) 10pcs
• 14×2 10pcs
• 15×2 10pcs
• 17×2 10pcs
• 11/16"×1/16" or (17.17×1.78) 10pcs
• 11/16"×1/8" or (17.04×3.53) 10pcs

Please note:

• Always replace seals with new ones to prevent refrigerant leaks in to atmosphere. Wear protective equipment when working on A/C systems. 

Package include:

• 270pcs green rubber O-ring set
• Plastic storage case