Upgraded TRS21 Compressor Head RKIN If it’s windy outside cover

If it’s windy outside cover plants after application for about a half hour

Intelligent Judgement of H2O Status The vacuum meter automatically judges physical state of H2O by comparing ambient temperature and water saturation temperature corresponding to the vacuum in the system

enabling you to track extreme temperature variations over time

Unlike many raspberry types that produce fruit once a year

grow lights

Upgraded TRS21 Compressor Head RKIN If it’s windy outside coverUpgraded TRS21 Compressor Head Complete, Stainless Fittings, Viton Upgrade your TRS21 by purchasing a new Compressor Head with Viton O rings for butane and propane gas compatibly and stainless steel fittings to meet FDA guidelines on handling of consumable products. This head is assembled here in the USA and is a direct replacement for any TRS21 Compressor Head.