Brooks Enduro Seal: #60800005-27 SEAL, ONE PIECE ASSEMBLY, METER, "GRAY" (5). TRANSPARENT BODY WITH SOLID COLOR INSERT, MADE OF WEATHER RESISTANT ACRYLIC THAT EXPOSES TAMPERING ATTEMPTS. MARKED "DOP" ON BODY AND NUMERICALLY SEQUENCING NUMBERS ON INSERT WITH 0.047" STAINLESS STEEL LOOP TO PROVIDE MAXIMUM CORROSION RESISTANCE. EJ BROOKS CO ENDURO SEAL MODEL #6080005-27. Brooks Enduro Seal: #60800001-27 SEAL, ONE PIECE ASSEMBLY, METER, "RED" (1). TRANSPARENT BODY WITH SOLID COLOR INSERT, MADE OF WEATHER RESISTANT ACRYLIC THAT EXPOSES TAMPERING ATTEMPTS. MARKED "DOP" ON BODY AND NUMERICALLY SEQUENCING NUMBERS ON INSERT WITH 0.047" STAINLESS STEEL LOOP TO PROVIDE MAXIMUM CORROSION RESISTANCE. EJ BROOKS CO ENDURO SEAL MODEL #6080001-27.