Protek Air - 8415 18mm Dehydrator Spark Plug | MS27215-2 EA9390 The diamond shaped end has

The diamond shaped end has two holes 1

Harmless to plastics

Momentive Performance Materials one-component products offer primerless adhesion to many substrates

Models     SR22 G1-G2

ranging from Cessna 150s to Boeing 777s

Protek Air - 8415 18mm Dehydrator Spark Plug | MS27215-2 EA9390 The diamond shaped end hasProtek Air 8415 18mm Dehydrator Spark Plug MS27215 2 If you're storing an aircraft engine and you want to prevent moisture from building up and causing corrosion and rust, use these handy and inexpensive ProtekAir 8415 spark plug dehydrators. The MS27215 2 ProtekAir airplane dehydrator plugs easily fit into the engine's spark plug holes, and the blue gel turns pink when it is saturated with moisture, letting you know how well it's working. They're low