30 Pcs 15% Silver Brazing Joint Solder Ring Silfos Rings for 1/2" O. D. Copper Tubes Silver Solder Brazing Ring for HVAC Copper Tubes Small Welding Process ACKLLR saving your utility bill

saving your utility bill

not for heavy duty

so it is super easy to stick on a metal surface and always know where it is

and it's suitable for ground

Brand: AirStone

30 Pcs 15% Silver Brazing Joint Solder Ring Silfos Rings for 1/2" O. D. Copper Tubes Silver Solder Brazing Ring for HVAC Copper Tubes Small Welding Process ACKLLR saving your utility billMaterial Composition: these quality silver brazing joint solder rings are made of 15% silver, 5% phosphor, and copper; This nice material composition ensures durability, and it is self fluxing on copper, thanks to its phosphor content, for a more robust joint Abundant Quantity: experience quantity and quality with this package that includes 30 pieces of silver brazing joint solder rings; This sufficient quantity caters to all your small welding