• The Bright Dyes manhole cushion is a soft, pliable, braided square cotton cord that is impregnated with a petroleum graphite mixture. The manhole cushion is used to silence noisy manhole covers, reduce cover and seat wear. The Bright Dyes unique design allows for full surface contact on both the cover and frame seat and offers 25-33% compression.
  • The Bright Dyes manhole cushion is a soft, pliable, braided square cotton cord that is impregnated with a petroleum graphite mixture. The manhole cushion is used to silence noisy manhole covers, reduce cover and seat wear. The Bright Dyes unique design allows for full surface contact on both the cover and frame seat and offers 25-33% compression.
  • Out of stock
    • Produces Continuous Dense Smoke
    • Powerful, hardworking engine
    • Versatile – Lightweight – Compact
    • Portable – Hand-Carryable – One Person Operable
    • Self-Contained
    • Smoke Cartridges May be Replaced in Seconds
    • Smoke Cartridges Create Safe, Clean, Non-Irritating Smoke
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    • 20 gauge 8″ x 4″ steel reducer
    • Heavy Duty – 5 foot of clear flexible steel reinforced duct hose
    • Adjustable 8″ & 4″ hose clamps
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    • 30 inch manhole plate, made from 11 gauge steel – laser cut then powder coated for precision and durability. A foam cell bottom gasket is applied to create a leak free seal around manhole and reduce vibration and noise
    • Heavy Duty – clear, steel reinforced – 8 inch diameter – 5 foot of flexible duct hose
    • Adjustable 8 inch hose clamps
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  • Out of stock
    • Smoke testing made safe, efficient, effective and economical
    • Detects illicit connections and other sources of leaks and inflow
    • Uses leak-proof liquid smoke cartridges
    • Cartridges provide continuous flow with even pressure
    • Cartridges may be replaced in seconds, allowing quick easy replacement, even while unit is operating
    • Produces continuous, uninterrupted dense white smoke for large scale production
    • Metering Valve to precisely control smoke flow and density
    • Use only what you need; no wasted product
    • Download Data Sheet