Comparison : Item # G40151-1PS, 4" Face x 1/2” Liquid Filled Stainless Case Brass Internals Lower Mount
Item # G40301-1PS, 4" Face x 1/2” Liquid Filled Stainless Case Brass Internals Lower Mount
Item # G40601-1PS, 4" Face x 1/2” Liquid Filled Stainless Case Brass Internals Lower Mount
Item # G401001-1PS, 4" Face x 1/2” Liquid Filled Stainless Case Brass Internals Lower Mount
Item # G401601-1PS, 4" Face x 1/2” Liquid Filled Stainless Case Brass Internals Lower Mount