"Comparison field","Offer A","Offer B","Unresolved difference","Source and responsible reviewer"
"Zone and approved hydraulic-design reference","","","",""
"Exact emitter code and regional specification revision","","","",""
"Nominal emitter discharge and units","","","",""
"Outlet / stake / multi-outlet assembly identity","","","",""
"Startup: published opening behavior and threshold","","","",""
"Established running: compensation range and units","","","",""
"Shutdown: anti-drain presence and closing threshold","","","",""
"Thresholds not supplied: keep explicitly unknown","","","",""
"Elevation/operating case actually assessed by designer","","","",""
"Self-flushing claim and separate filtration reference","","","",""
"Unresolved differences versus existing or alternative model","","","",""
"Irrigation designer disposition and scope","","","",""
"Next evidence request, owner and date","","","",""
"Use","Compare startup, established running and shutdown separately. No pressure setting, dose or live test. Anti-drain is not source backflow approval.","","Manual record; no formulas or automatic approval.",""
"Source context","https://www.grodan.com/global/knowledge/blogs/drippers-made-to-meet-specific-needs/ ; https://www.netafimusa.com/agriculture/products/product-offering/on-line-drippers/pressure-compensating-drippers/ ; https://www.netafim.com/en/products-and-solutions/product-offering/drip-irrigation-products/pcj-online-dripper/","","",""