Windmill Aeration

39001 - Koenders 12' SD Windmill System - includes: 8' Tower Box, 12' Tower Box, 24" Blade & Tail Box, Single Diaphragm Compressor, Airstone, Foot Valve & 100' 3/8" Polytubing. 39002 - Koenders 16' SD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 24" Blade & Tail Box, Single Diaphragm Compressor, Airstone, Foot Valve & 100' 3/8" Polytubing 39003 - Koenders 20' SD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 24" Blade & Tail Box, Single Diaphragm Compressor, Airstone, Foot Valve & 100' 3/8" Polytubing 30087 - Koenders 24' SD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 24' Tower Box, 24" Blade & Tail Box, Single Diaphragm Compressor, Airstone, Foot Valve & 100' 3/8" Polytubing 39021 - Koenders 12' DD Windmill System - includes: 8' Tower Box, 12' Tower Box, 26" Blade & Tail Box, Double Diaphragm Compressor, 2 X Airstones, 2 X Foot Valves, Two-Way Valve & 200' 3/8" Polytubing 39020 - Koenders 16' DD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 26" Blade & Tail Box, Double Diaphragm Compressor Box, 2 X Airstones, 2 X Foot Valves, 2-Way Valve & 200' 3/8" Polytubing 39013 - Koenders 20' DD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 26" Blade & Tail Box, Double Diaphragm Compressor Box, 2 X Airstones, 2 X Foot Valves, Two-Way Valve & 200' 3/8" Polytubing 30090 - Koenders 24' DD Windmill System - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 24' Tower Box, 26" Blade & Tail Box, DD Compressor, 2 X Airstones, 2 X Foot Valves, Two-Way Valve & 200' 3/8" Polytubing 39030 - Koenders 12' Unipole SD Windmill System - includes: 12' Unipole Tower Box with Tail Arms, Single Diaphragm Compressor, 24" Blade & Tail Box, Airstone, Foot Valve & 100' 3/8" Airline 39032 - Koenders 18' Unipole SD Windmill System - includes: 18' Unipole Tower Box with Tail Arms, Single Diaphragm Compressor, 24" Blade & Tail Box, Airstone, Foot Valve & 100' 3/8" Airline 39014 - Koenders 24' Unipole SD Windmill System - includes: 24' Unipole Tower Box with Tail Arms, Single Diaphragm Compressor, 24" Blade & Tail Box, Airstone, Foot Valve, Hose Connector/Clamp pack, 100' 3/8" Airline & 50' 3/8" Weighted Airline 39031 - Koenders 12' Unipole DD Windmill System - includes: 12' Unipole Tower Box with Tail Arms, DD Compressor, 26" Blade & Tail Box, 2 X Airstones, 2 X Foot Valves, Two-Way Valve & 200' 3/8" Airline 39033 - Koenders 18' Unipole DD Windmill System - includes: 18' Unipole Tower Box with Tail Arms, DD Compressor, 26" Blade & Tail Box, 2 X Airstones, 2 X Foot Valves, Two-Way Valve & 200' 3/8" Airline Koenders 24' Unipole DD Windmill System - includes: 24' Unipole Tower Box with Tail Arms, DD Compressor, 26" Blade & Tail Box, 2 X Airstones, 2 X Foot Valves, Two-Way Valve, 2 X Hose Connector/Clamp packs, 200' 3/8" Airline & 100' 3/8" Weighted Airline Koenders SD Windmill Head - includes: 24" Blade & Tail Box, Single Diaphragm Compressor, Tail Arms Koenders DD Windmill Head - includes: 26" Blade & Tail Box, Double Diaphragm Compressor, Tail Arms Koenders 12' Ornamental Windmill - includes: 8' Tower Box, 12' Tower Box, 24" Blade & Tail Box, Ornamental Compressor Koenders 16' Ornamental Windmill - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 24" Blade & Tail Box, Ornamental Compressor Koenders 20' Ornamental Windmill - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 24" Blade & Tail Box, Ornamental Compressor Koenders 24' Ornamental Windmill - includes: 8' Tower Box, 12' Tower Box, 16' Tower Box, 20' Tower Box, 24' Tower Box, 24" Blade & Tail Box, Ornamental Compressor Koenders Ornamental Windmill Head - includes: 24" Blade & Tail Box, Ornamental Compressor, Tail Arms Koenders 12' SD Deluxe Windmill System - includes 12' Windmill Tower, Single Diaphragm Compressor, Airstone, Foot Valve, 100' 3/8" Polytubing, 50' 3/8" weighted airline, pressure release valve, pivot point tower hinges (pair), hose clamp connector pack 30468 - Windmill Upgrade - Double Diaphragm (DD compressor, 2 way selector valve, air diffuser & foot valve