No-Hub Coupling, For No-Hub Systems, 4-In. Brand_Legrand - Pass & Seymour use HTH spa™ Test Strips

use HTH spa™ Test Strips twice a week to test

The bacteria-based formula produces enzymes when it comes into contact with a food source like pet urine

The 1-piece variable-flow plunger and the large cushion type seal for long life

Helps protect critical engine parts for up to 10

For convenience and quick accessibility

No-Hub Coupling, For No-Hub Systems, 4-In. Brand_Legrand - Pass & Seymour use HTH spa™ Test Strips4" No Hub Coupling has a patented shield design that provides maximum transfer of pressure from the clamps to the gasket to the pipe. Engineered to connect no hub cast iron pipe in applications replacing the less efficent hub and spigot.