Replacement Lamp 05-1020-R replaces  Atlantic Ultraviolet GPH436T5VH/4

SterLRay UV Germicidal Lamp 05-1366-R for BIO1.5, MIN1.5, MIN3.0, and AERO-12, 287 mm measured from base face to base face also fits
Aqua Ultraviolet UV 15 Watt
Atlantic Ultraviolet BIO-1.5, MIN-1.5, MIN-3
ATS Aqua Treatment Service ATS-4-287
Glasco 1508
Hydro-Safe HSUV-SS-2-1
Ideal Horizons 41003, 42002, LBR-4
Purely UV Products PUVLF285
Siemens LP4130
Sol-Air Systems, Inc. ES-SolAire Two, ES-SolAire Two-2UV
Sunlight LP4130
Trojan UV Technologies 602, 650144, UV602, UV622        
Ultra Dynamics 7001-805, P1, S2, VP-1
Watts WUV2, HSUV-SS-2-1, WUV Lamp 2
Xtra-Fresh Air ES-SolAire Two
GPH287T5L/4, GPH287T5L/4

Equivalent UV Germicidal Replacement Lamp 05-1019-R replaces  Sol-Air Systems, Inc. ES-SolAire Two, Xtra-Fresh Air ES-SolAire Two,  ES-SolAire Two-2UV

Equivalent UV Germicidal Replacement lamps 05-1064 replaces: Sol-Air Systems, Inc. EL-SL-24 The lamp is 80 watts and 609 mm in length, rated effective life 10,000 hrs., change once a year.