Hayward FDXLFSKF25 2.5-Amp Field Wiring Panel Bulk Mini-Fuse Replacement Kit for Hayward H-Series Pool Heater, Set of 10 Bulk mini-fuse kit for field wiring panel Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp Weight 1 pounds; 10 per pack