between 850-1050
between 1950-2100
None 1 trickle vent (+£15.00) 2 trickle vent (+£30.00)
20mm left (+£20.00)
20mm right (+£20.00)
42mm right (+£40.00)
20mm head (+£60.00)
42mm head (+£90.00)
None red (£2.00) green (£4.00) grey (£6.00)