5, Reference Number 13N15
.Nozzle,Lava,#5 (5/16 In),PK10 Nozzle, Compatible with Model 20, 20F, 20HP, 20P, 22A, 22B, 25, 301251, 301253, 9, 9F, 9FVB, 9HP, 9P, 9V, 9VB, CS310A, HW-20, HW-20R, HW-25, HW-9, HW-9F, HW-9R, PTA-9, PTA-9F, PTW-20, WP-20, WP-20P, WP-20V, WP-25, WP-9, WP-9F, WP-9FV, WP-9V, WP-R9F, WP-R9FV, Compatible with Series 20, 20P, 22, 25, 9, A-125, HW-20, HW-25, HW-9, PTA-9, PTW-20, W-200, W-225, W-250, W-280, W-310, W-375, For Maximum Electrode Diameter 1 in, Material Lava, Nozzle Nominal Size No.