Rain Bird Copper Shield uses a patented copper technology to eliminate the risk of root intrusion naturally, without the use of chemicals. (Root intrusion is where lawn roots grow into and block the dripper emitters). Other drip pipes require costly and toxic chemicals to do this. Copper Shield carries a guarantee against root intrusion - naturally – no chemicals. It’s been successfully field tested for 16 years so you can rest assured that it works. For use with 17mm (14mm) barbed insert fittings.
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