FPPI Extension Nipples, Brass: Designed to be used to correct sprinkler head elevation without removing or re-cutting sprinkler drop. THIS PRODUCT IS COVERED BY ADDITIONAL DISCLAIMERS REGARDING SUITABILITY AND USE. PURCHASER AND USER TAKE FULL RESPONSIBILITY FOR THE USE OF THIS PRODUCT. FPPI WILL NOT BE HELD LIABLE FOR PRODUCT FAILURE OR DAMAGE CAUSED BY USE. SEE TECH DATA SHEET FOR DETAILS.