Helix Life Support American-Made Bulkhead Fittings High Head This effective change causes greater

This effective change causes greater flow and less back pressure

This helps prevent dock pilings from damage caused by ice expansion and pressure damage

Self-weighted for easy installation

we can have Evo sent out a air plunger to use to move the switch into the opposite position

water changes or evaporated water replacement

Helix Life Support American-Made Bulkhead Fittings High Head This effective change causes greaterBulkhead fittings are ideal when you need a watertight seal when making a penetration under water level. Use for liners, filters, skimmers and other pond components. These are high quality, American made hard plastic bulkhead fittings. SKU Description 1929 1 2" FPT Bulkhead 1930 3 4" FPT Bulkhead 1931 1" FPT Bulkhead 1932 1. 5" FPT Bulkhead 1933 2" FPT Bulkhead 3420 3" FPT Bulkhead 3395 4" FPT Bulkhead