Neoperl M20 Male Eco Tap Aerator – 5 Litres Per Minute Flow Rate SKU NE43005103301 Customer reviews (13) £3.95 £3.29 inc. VAT ex. VAT Fitting Type Flow Rate Diameter Thread Diameter Male 5 lpm 20mm 19mm Customer reviews (13) Neoperl M20 Male Eco Tap Aerator – 5 Litres Per Minute Flow Rate SKU NE43005103301