brian.m.rule241: ZURN 3 inch lens working down to 2 7/8 diameter .
brian.m.rule241: Zurn .ebay roundel No.7
brian.m.rule241: ZURN 2 7/8 diameter borosilicate flat roundel 1/4 thick. ready for ebay. side profile.
brian.m.rule241: ZURN 2 7/8 diameter borosilicate flat roundel 1/4 thick. ready for ebay.
brian.m.rule241: ZURN 2 7/8 diameter borosilicate flat roundel 1/4 thick. ready for ebay.
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .
brian.m.rule241: ZURN 2 7/8 diameter flat roundel .