Comparison : |
Item # 11921, 3" Straight extension nozzle No. 5, 5/16" orifice Item # 11922, 3" Straight extension nozzle No. 6, 3/8" orifice Item # 11923, 3" Straight extension nozzle No. 7, 7/16" orifice Item # 11927, 6" Straight extension nozzle No. 5, 5/16" orifice Item # 11928, 6" Straight extension nozzle No. 6, 3/8" orifice
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