Helix Life Support American-Made Bulkhead Fittings High Head Components are selected by Aquascape®

Components are selected by Aquascape® not only for size of pond

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

apply 30-90lb per surface acre

Helix Life Support American-Made Bulkhead Fittings High Head Components are selected by Aquascape®Bulkhead 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