Halcyon Big 4.5' SMB Boots Expandable with blanking plug

Expandable with blanking plug

A removable orifice allows easier maintenance and longer regulator life

it is fully adjustable

the Bellows Horizontal Zip Pocket requires a little more space on a waist strap yet offers additional storage room with the secondary zip pocket

is a multi-layer metal oxide coating process applied to both sides of the UltraClear lenses

Halcyon Big 4.5' SMB Boots Expandable with blanking plugHalcyon Big 4. 5 SMB The Halcyon Big 4. 5 SMB (Surface Marker Buoy) serves as a reliable, 1. 4m long closed circuit alert marker in highly visible orange. Consequently, this SMB lacks an open bottom; divers inflate it using an inflator hose through the fitted one way valve connector. An integrated pressure relief valve is built into the design, specifically allowing for safe deployment from significant depths. Halcyon SMBs consistently provide maximum