Vertex 1/3 hp Single Piston Compressor Rebuild Kit Select Compressor & Voltage:COM401-MK 115 volt (compressors purchased before 2014) then apply barley straw extract

then apply barley straw extract regularly to help prevent future algae growth

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MicronBubble replacement diffuser disc

including container water gardens and other features containing fish or plants

This is a great quality product

Vertex 1/3 hp Single Piston Compressor Rebuild Kit Select Compressor & Voltage:COM401-MK 115 volt (compressors purchased before 2014) then apply barley straw extractVertex Aerator Compressor Rebuild Kit for the 1 3 hp Brookwood single piston compressor. Choose from 115 or 230 volts electrical options. Part Number COM404 MK : 115 volt compressor Part Number COM402 MK : 230 volt compressor Part Number COM401 MK: 115 & 230 volt compressors purchased before 2014 The Brookwood 1 3hp Compressor Rebuild Kits for 115 Volt Compressors purchased before 2014 are a different size. Kit Includes: Seals Piston rings Piston