Neoperl Tap Insert 18mm Diameter 

Colour Code - Blue Optimal performance between 0.2 - 1bar (un-restricted)

Neoperl PERLATOR® HONEYCOMB Aerator

Improved lime protection: integrated HONEYCOMB structure replaces conventional wire mesh screens prone to lime build-up.

• extended life
• perfect stream quality even under difficult flow conditions
• very low noise level
• damage proof: unlike conventional wire mesh screens, the HONEYCOMB structure can not be crushed
• integrated anti-clogging dome screen filters sediments and particles

Colour Code - Blue Optimal performance between 0.2 - 1bar (un-restricted)

Size JR - JUNIOR 18mm

Top Lip Diameter 18.3 mm diameter this where the washer fits.

Body Diameter 17.5mm .

Body Height 10.3mm 

Supplied with Washer 18mm Diameter.