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4.5 inch Back Blow-Out Liquid Filled Vacuum Gauge 0-30 Hg
Product Specs
4.5″ back “Blow-Out” liquid filled swimming pool vacuum gauge 0-30 Hg is designed for long and reliable service under rugged commercial swimming pool operations. This back “Blow-Out” liquid filled vacuum gauge has 4.5″ face diameter with 1/4″ NPT bottom connection.
