supply of poh spare kitpoh spare kit,poh spare kit for self priming mono block pump 0.5hp consisting the following items. 1. mechanical water seal 16mm size suitable for self primi ng mono block pump (ceramic size : od 26mm, id : 17mmm, thickness : 5mm) 2. external circlip for 16mm mechanical seal -1no, 3. brass plate washer id 1 6mm x od 25mm x 0.5mm thickness -1no, 4. flange gasket (o ring) id 68mm x 2mm thickness -1no, 5. key impeller - 1no. [ warranty period: 30 months after the date of delivery ] ] , poh spare kit for self priming mono block pump 0.5hp consisting the following items. 1.mechanical seal (12mm size)-1 no, 2.drain plug with ru bber washer-1 no, 3.flange gasket (o ring)- 1 no, 4.oil seal-2 nos, 5.circlip of mech.seal-1 no. [ warranty period: 30 months after the date of delivery ] ] => limited