0800744c_Never_open_your_DayStar_Filter__Problems_seen_
[Typical Symptoms] Lines in image and/or visible lines on viewing filter. This is caused by opening the filter. It may be minor or may be permanent damage to the filter. [Repair Cost:] $150 - full replacement cost [Problems seen:] 
Spider veins
F a i l e d B l o c k e r s & t r i m m e r s
F a i l e d h e a t e r
H e a t e r k n o b s e t t o o h i g h
F i l t e r i s d i r t y
" O p t i c a l ' g r e a s e ' h a s s e p a r a t e d "
S p i d e r v e i n s
E t a l o n d a m a g e
Never open your DayStar Filter
Problems seen: